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119-596: The Cotswold Motoring Museum is a museum in the Cotswolds village of Bourton-on-the-Water , Gloucestershire , England . It features motoring history of the 20th century. The museum's collection includes cars, motorcycles, bicycles, caravans, and motoring memorabilia of the 20th century. The museum's toy collection includes pedal cars, bicycles, toy cars, buses, aeroplanes and other vehicles, model kits , meccano built into vehicles and structures, wooden and metal vehicles, and penny tin toys . The collection also includes

238-683: A 70 km diameter impact structure buried beneath the Kalahari desert in northern South Africa. The impact is dated to the Tithonian, approximately 146.06 ± 0.16 Mya. Another major structure is the Puchezh-Katunki crater , 40 kilometres in diameter, buried beneath Nizhny Novgorod Oblast in western Russia. The impact has been dated to the Sinemurian, 195.9 ± 1.0 Ma. At the beginning of the Jurassic, all of

357-556: A Brittonic female cognate Cuda , a hypothetical mother goddess in Celtic mythology postulated to have been worshipped in the Cotswold region. The Cotswolds' spine runs southwest to northeast through six counties, particularly Gloucestershire, west Oxfordshire, and southwestern Warwickshire. The Cotswolds' northern and western edges are marked by steep escarpments down to the Severn valley and

476-471: A country park. Chipping Campden is also known for the annual Cotswold Olimpick Games , a celebration of sports and games dating to the early 17th century. Of the Cotswolds' nearly 800 square miles (2,100 km ), roughly 80 per cent is farmland. There are over 3,000 miles (4,800 km) of footpaths and bridleways, and 4,000 miles (6,400 km) of historic stone walls. A 2017 report on employment within

595-492: A dominant component of Jurassic floras. The Late Triassic and Jurassic was a major time of diversification of conifers, with most modern conifer groups appearing in the fossil record by the end of the Jurassic, having evolved from voltzialean ancestors. Araucarian conifers have their first unambiguous records during the Early Jurassic, and members of the modern genus Araucaria were widespread across both hemispheres by

714-623: A kink in one of the plate boundaries, resulting in the formation of the Pacific Plate at the centre of the junction. During the Middle to early Late Jurassic, the Sundance Seaway , a shallow epicontinental sea , covered much of northwest North America. The eustatic sea level is estimated to have been close to present levels during the Hettangian and Sinemurian, rising several tens of metres during

833-520: A museum in the United Kingdom is a stub . You can help Misplaced Pages by expanding it . Cotswolds The Cotswolds ( / ˈ k ɒ t s w oʊ l d z , ˈ k ɒ t s w əl d z / KOTS -wohldz, KOTS -wəldz ) is a region of central South West England , along a range of rolling hills that rise from the meadows of the upper River Thames to an escarpment above the Severn Valley and

952-615: A panel would be formed to consider making some of the AONBs into National Parks. The review will file its report in 2019. In April 2018, the Cotswolds Conservation Board had written to Natural England "requesting that consideration be given to making the Cotswolds a National Park", according to Liz Eyre, Chairman. This has led to some concern; one member of the Cotswold District Council said, "National Park designation

1071-453: A result of high ocean acidity and temperature inhibiting its mineralisation into apatite; the abundance of phosphorus in marine environments caused further eutrophication and consequent anoxia in a positive feedback loop. The end-Jurassic transition was originally considered one of eight mass extinctions, but is now considered to be a complex interval of faunal turnover, with the increase in diversity of some groups and decline in others, though

1190-462: A small Cotswold village. The fictional detective Agatha Raisin lives in the fictional Cotswold village of Carsely . Other movies filmed in the Cotswolds or nearby, at least in part, include some of the Harry Potter series (Gloucester Cathedral), Bridget Jones's Diary ( Snowshill ), Pride and Prejudice (Cheltenham Town Hall), and Braveheart (Cotswold Farm Park). In 2014, some scenes of

1309-613: A tithe barn. Tetbury Market House was built in 1655. During the Middle Ages , Tetbury became an important market for Cotswold wool and yarn. Chavenage House is an Elizabethan-era manor house 1.5 miles (2.4 km) northwest of Tetbury. Chedworth Roman Villa , where several mosaic floors are on display, is near the Roman road known as the Fosse Way , 8 miles (13 km) north of the town of Corinium Dobunnorum (Cirencester). Cirencester Abbey

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1428-483: Is Austrohamia minuta from the Early Jurassic (Pliensbachian) of Patagonia, known from many parts of the plant. The reproductive structures of Austrohamia have strong similarities to those of the primitive living cypress genera Taiwania and Cunninghamia . By the Middle to Late Jurassic Cupressaceae were abundant in warm temperate–tropical regions of the Northern Hemisphere, most abundantly represented by

1547-608: Is Chavenage House , Tetbury, which is open to the public. Many exterior shots of village life in the Downton Abbey TV series were filmed in Bampton, Oxfordshire . Other filming locations in that county included Swinbrook, Cogges, and Shilton. The city of Bath hosted crews that filmed parts of the movies Vanity Fair , Persuasion , Dracula , and The Duchess . Gloucester and other places in Gloucestershire , some within

1666-477: Is Woodchester Mansion , an unfinished, Gothic revival mansion house in Woodchester Park near Nympsfield. Newark Park is a Grade I listed country house of Tudor origins near the village of Ozleworth, Wotton-under-Edge . The house sits in an estate of 700 acres (300 ha) at the Cotswold escarpment's southern end. Another of the many manor houses in the area, Owlpen Manor in the village of Owlpen in

1785-470: Is a significant step further and raises the prospect of key decision making powers being taken away from democratically elected councillors". In other words, Cotswold District Council would no longer have the authority to grant and refuse housing applications. Indicative of the Cotswolds' uniqueness and value is that five European Special Areas of Conservation , three national nature reserves and more than 80 Sites of Special Scientific Interest are within

1904-536: Is also important; cows and pigs are also reared. The livestock sector has been declining since 2002. According to 2011 census data for the Cotswolds, the wholesale and retail trade was the largest employer (15.8% of the workforce), followed by education (9.7%) and health and social work (9.3%). The report also indicates that a relatively higher proportion of residents worked in agriculture, forestry and fishing, accommodation and food services, as well as in professional, scientific, and technical activities. Unemployment in

2023-487: Is divided into three epochs : Early, Middle, and Late. Similarly, in stratigraphy , the Jurassic is divided into the Lower Jurassic , Middle Jurassic , and Upper Jurassic series . Geologists divide the rocks of the Jurassic into a stratigraphic set of units called stages , each formed during corresponding time intervals called ages. Stages can be defined globally or regionally. For global stratigraphic correlation,

2142-546: Is followed by the Kimmeridgian Warm Interval (KWI) between 164 and 150 million years ago. Based on fossil wood distribution, this was one of the wettest intervals of the Jurassic. The Pangaean interior had less severe seasonal swings than in previous warm periods as the expansion of the Central Atlantic and Western Indian Ocean provided new sources of moisture. A prominent drop in temperatures occurred during

2261-463: Is fourth order, with a periodicity of approximately 410,000 years. During the Early Jurassic the world's oceans transitioned from an aragonite sea to a calcite sea chemistry, favouring the dissolution of aragonite and precipitation of calcite . The rise of calcareous plankton during the Middle Jurassic profoundly altered ocean chemistry, with the deposition of biomineralized plankton on

2380-559: Is linked to the Jura Mountains , a forested mountain range that mainly follows the France–Switzerland border . The name "Jura" is derived from the Celtic root * jor via Gaulish *iuris "wooded mountain", which was borrowed into Latin as a name of a place and evolved into Juria and finally Jura . During a tour of the region in 1795, German naturalist Alexander von Humboldt recognized carbonate deposits within

2499-469: Is marked by a globally documented high amplitude negative carbon isotope excursion, as well as the deposition of black shales and the extinction and collapse of carbonate-producing marine organisms, associated with a major rise in global temperatures. The TOAE is often attributed to the eruption of the Karoo-Ferrar large igneous provinces and the associated increase of carbon dioxide concentration in

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2618-561: Is named after the city of Oxford in England and was named by Alcide d'Orbigny in 1844 in reference to the Oxford Clay . The base of the Oxfordian lacks a defined GSSP. W. J. Arkell in studies in 1939 and 1946 placed the lower boundary of the Oxfordian as the first appearance of the ammonite Quenstedtoceras mariae (then placed in the genus Vertumniceras ). Subsequent proposals have suggested

2737-714: Is the Gloucestershire Warwickshire Railway , a steam heritage railway over part of the closed Stratford–Cheltenham line , running from Cheltenham Racecourse through Gotherington , Winchcombe , and Hayles Abbey Halt to Toddington and Laverton. The preserved line has been extended to Broadway . The population of the Cotswold local authority area in the 2021 census was 90,800, an increase of 9.6% from 82,900 in 2011. The percentage of usual residents in relationships, aged 16 and above, were: In 2021, 96.3% of people in Cotswold identified their ethnic group with

2856-484: Is the Garden of Sudeley Castle at Winchcombe . The present structure was built in the 15th century and may be on the site of a 12th-century castle. It is north of the spa town of Cheltenham , which has much Georgian architecture. Further south, towards Tetbury , is the fortress known as Beverston Castle , founded in 1229 by Maurice de Gaunt . In the same area is Calcot Manor , a manor house with origins in about 1300 as

2975-678: Is the setting of the world's largest oil reserves, including the Ghawar Field , the world's largest oil field. The Jurassic-aged Sargelu and Naokelekan formations are major source rocks for oil in Iraq . Over 1500 gigatons of Jurassic coal reserves are found in north-west China, primarily in the Turpan-Hami Basin and the Ordos Basin . Major impact structures include the Morokweng impact structure ,

3094-606: Is used to mark the beginnings of stages, as well as smaller timespans within stages, referred to as "ammonite zones"; these, in turn, are also sometimes subdivided further into subzones. Global stratigraphy is based on standard European ammonite zones, with other regions being calibrated to the European successions. The oldest part of the Jurassic Period has historically been referred to as the Lias or Liassic, roughly equivalent in extent to

3213-722: The Civil Service Motoring Association , a not-for-profit organisation, who continues to run it. In 2003 the Museum won the Heart of England Tourist Board's Visitor Attraction of the Year, and in 2004 they won the Museums and Heritage Award for their interpretation project "Big Ideas for Small Children". 51°53′5″N 1°45′33″W  /  51.88472°N 1.75917°W  / 51.88472; -1.75917 This article relating to

3332-503: The International Commission on Stratigraphy (ICS) ratify global stages based on a Global Boundary Stratotype Section and Point (GSSP) from a single formation (a stratotype ) identifying the lower boundary of the stage. The ages of the Jurassic from youngest to oldest are as follows: Jurassic stratigraphy is primarily based on the use of ammonites as index fossils . The first appearance datum of specific ammonite taxa

3451-697: The Redcar Mudstone Formation , and was ratified in 2005. The beginning of the Pliensbachian is defined by the first appearance of the ammonite Bifericeras donovani . The village Thouars (Latin: Toarcium ), just south of Saumur in the Loire Valley of France , lends its name to the Toarcian Stage. The Toarcian was named by Alcide d'Orbigny in 1842, with the original locality being Vrines quarry around 2 km northwest of Thouars. The GSSP for

3570-472: The Stroud district, is also Tudor and Grade I listed. Further north, Broadway Tower is a folly on Broadway Hill, near the village of Broadway, Worcestershire. To the south of the Cotswolds is Corsham Court , a country house in a park designed by Capability Brown in the town of Corsham , 3 miles (5 km) west of Chippenham, Wiltshire. According to users of the worldwide TripAdvisor travel site, in 2018

3689-656: The Warwickshire Avon . This feature, known as the Cotswold escarpment or the Cotswold Edge, is a result of the uplifting (tilting) of the limestone layer, exposing its broken edge. This is a cuesta , in geological terms. The dip slope is to the southeast. On the eastern boundary lies the city of Oxford and on the west is Stroud . To the southeast, the upper reaches of the Thames Valley and towns such as Lechlade , Tetbury , and Fairford are often considered to mark

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3808-576: The Wildlife and Countryside Act 1981 . Cleeve Hill , and its associated commons, is a fine example of a limestone grassland and it is one of the few locations where the Duke of Burgundy butterfly may still be found in abundance. A June 2018 report stated that the AONB receives "23 million visitors a year, the third largest of any protected landscape". Earlier that year, Environment secretary Michael Gove announced that

3927-431: The "White" category, a slight decrease from 97.8% in 2011. Over 1.3% identified as "Asian" or British Asian, 1.5% chose "Mixed or Multiple" category, 0.4% were "Black, Black British, Caribbean or African" and 0.4% chose "Other". The Cotswold region has inspired several notable English composers. In the early 1900s, Herbert Howells and Ivor Gurney took long walks together over the hills, and Gurney urged Howells to make

4046-728: The 2016 movie Alice Through the Looking Glass were filmed at the Gloucester Docks just outside the Cotswold District; some scenes in the 2006 movie Amazing Grace were also filmed at the Docks. The television series Father Brown is set and primarily filmed in the Cotswolds. Scenes and buildings in Sudeley Castle was often featured in the series. The vicarage in Blockley was used for

4165-587: The 21st century has attracted wealthy Londoners and others who own second homes there or have chosen to retire to the Cotswolds. The name Cotswold is popularly believed to mean the "sheep enclosure in rolling hillsides", incorporating the term wold , meaning hills. Compare also the Weald , from the Old English term meaning 'forest'. But for many years the English Place-Name Society has accepted that

4284-534: The 93-mile (150 km) Cotswold Way (part of the National Trails system) from Bath to Chipping Campden. In August 2018, the final decision was made for a Local Plan that would lead to the building of nearly 7,000 additional homes by 2031, in addition to over 3,000 already built. Areas for development include Cirencester, Bourton-on-the-Water, Down Ampney, Fairford, Kemble, Lechlade, Northleach, South Cerney, Stow-on-the-Wold, Tetbury and Moreton-in-Marsh. Some of

4403-423: The AONB is varied, including escarpment outliers, escarpments, rolling hills and valleys, enclosed limestone valleys, settled valleys, ironstone hills and valleys, high wolds and high wold valleys, high wold dip-slopes, dip-slope lowland and valleys, a Low limestone plateau, cornbrash lowlands, farmed slopes, a broad floodplain valley, a large pastoral lowland vale, a settled unwooded vale, and an unwooded vale. While

4522-619: The Aalenian, precessionally forced climatic changes dictated peatland wildfire magnitude and frequency. The European climate appears to have become noticeably more humid at the Aalenian-Bajocian boundary but then became more arid during the middle Bajocian. A transient ice age possibly occurred in the late Bajocian. The Callovian-Oxfordian boundary at the end of the MJCI witnessed particularly notable global cooling, potentially even an ice age. This

4641-568: The Area of Natural Beauty, have been a popular location for filming period films and television programmes over the years. Gloucester Cathedral has been particularly popular. The sighting of peregrine falcons in the landscape of the Cotswolds is mentioned in The Peregrine by John Alec Baker . The television documentary agriculture-themed series Clarkson's Farm was filmed at various locations around Chipping Norton . Jurassic The start of

4760-415: The Area of Outstanding Natural Beauty stated that the main sources of income were real estate, renting and business activities, manufacturing, and wholesale & retail trade repairs. Some 44% of residents were employed in these sectors. Agriculture is also important; 86% of the land in the AONB is used for this purpose. The primary crops include barley, beans, rapeseed and wheat, while the raising of sheep

4879-725: The Bajocian Stage after the town of Bayeux (Latin: Bajoce ) in Normandy, France. The GSSP for the base of the Bajocian is located in the Murtinheira section at Cabo Mondego , Portugal; it was ratified in 1997. The base of the Bajocian is defined by the first appearance of the ammonite Hyperlioceras mundum . The Bathonian is named after the city of Bath , England, introduced by Belgian geologist d'Omalius d'Halloy in 1843, after an incomplete section of oolitic limestones in several quarries in

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4998-574: The Black Jurassic and the overlying clayey sandstone and ferruginous oolite of the Brown Jurassic sequences of southwestern Germany. The GSSP for the base of the Aalenian is located at Fuentelsaz in the Iberian range near Guadalajara, Spain , and was ratified in 2000. The base of the Aalenian is defined by the first appearance of the ammonite Leioceras opalinum . Alcide d'Orbigny in 1842 named

5117-560: The Black Jurassic in England by William Conybeare and William Phillips in 1822. William Phillips, the geologist, worked with William Conybeare to find out more about the Black Jurassic in England. The French palaeontologist Alcide d'Orbigny in papers between 1842 and 1852 divided the Jurassic into ten stages based on ammonite and other fossil assemblages in England and France, of which seven are still used, but none has retained its original definition. The German geologist and palaeontologist Friedrich August von Quenstedt in 1858 divided

5236-518: The Board carries out a range of work from securing funding for 'on the ground' conservation projects, to providing a strategic overview of the area for key decision makers, such as planning officials. The Board is funded by Natural England and the seventeen local authorities that are covered by the AONB. The Cotswolds AONB Management Plan 2018–2023 was adopted by the Board in September 2018. The landscape of

5355-655: The Callovian–Oxfordian boundary, peaking possibly as high as 140 metres above present sea level at the Kimmeridgian–Tithonian boundary. The sea levels falls in the late Tithonian, perhaps to around 100 metres, before rebounding to around 110 metres at the Tithonian–Berriasian boundary. The sea level within the long-term trends across the Jurassic was cyclical, with 64 fluctuations, 15 of which were over 75 metres. The most noted cyclicity in Jurassic rocks

5474-611: The Celtic path later known as Fosse Way . During the Middle Ages , thanks to the breed of sheep known as the Cotswold Lion, the Cotswolds became prosperous from the wool trade with the continent, with much of the money made from wool directed towards the building of churches. The most successful era for the wool trade was 1250–1350; much of the wool at that time was sold to Italian merchants. The area still preserves numerous large, handsome Cotswold Stone "wool churches". The affluent area in

5593-592: The Cotswold District was among the lowest in the country. An August 2017 report showed only 315 unemployed persons, a decrease of five from a year earlier. Tourism is a significant part of the economy. The Cotswold District area gained over £373 million from visitor spending on accommodation, £157 million on local attractions and entertainments, and about £100m on travel in 2016. In the larger Cotswolds Tourism area, including Stroud, Cheltenham, Gloucester and Tewkesbury, tourism generated about £1 billion in 2016, providing 200,000 jobs. Some 38 million day visits were made to

5712-493: The Cotswold Tourism area that year. Many travel guides direct tourists to Chipping Campden , Stow-on-the-Wold , Bourton-on-the-Water , Broadway , Bibury , and Stanton . Some of these locations can be very crowded at times. Roughly 300,000 people visit Bourton per year, for example, with about half staying for a day or less. The area also has numerous public walking trails and footpaths that attract visitors, including

5831-503: The Cotswolds AONB. The Cotswold Voluntary Wardens Service was established in 1968 to help conserve and enhance the area, and now has more than 300 wardens. The Cotswold Way is a long-distance footpath, just over 100 miles (160 km) long, running the length of the AONB, mainly on the edge of the Cotswold escarpment with views over the Severn Valley and the Vale of Evesham . Pictured

5950-703: The Cotswolds and is navigable from Inglesham and Lechlade-on-Thames downstream to Oxford . West of Inglesham. the Thames and Severn Canal and the Stroudwater Navigation connected the Thames to the River Severn ; this route is mostly disused nowadays but several parts are in the process of being restored. The area is bounded by two major rail routes: in the south by the main Bristol–Bath–London line (including

6069-417: The Cotswolds. Bath , Cheltenham , Cirencester , Gloucester , Stroud , and Swindon are larger urban centres that border on, or are virtually surrounded by, the Cotswold AONB. Chipping Campden is notable as the home of the Arts and Crafts movement , founded by William Morris at the end of the 19th and beginning of the 20th centuries. Morris lived occasionally in Broadway Tower , a folly, now part of

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6188-403: The Early Jurassic, but also including part of the preceding Rhaetian . The Hettangian Stage was named by Swiss palaeontologist Eugène Renevier in 1864 after Hettange-Grande in north-eastern France. The GSSP for the base of the Hettangian is located at the Kuhjoch Pass, Karwendel Mountains , Northern Calcareous Alps , Austria; it was ratified in 2010. The beginning of the Hettangian, and thus

6307-408: The Greek goddess of dawn . His name was chosen by Albert Oppel for this stratigraphical stage because the Tithonian finds itself hand in hand with the dawn of the Cretaceous. The base of the Tithonian currently lacks a GSSP. The working definition for the base of the Tithonian is the first appearance of the ammonite genus Gravesia . The upper boundary of the Jurassic is currently undefined, and

6426-403: The Jura Mountains as geologically distinct from the Triassic aged Muschelkalk of southern Germany , but he erroneously concluded that they were older. He then named them Jura-Kalkstein ('Jura limestone') in 1799. In 1829, the French naturalist Alexandre Brongniart published a book entitled Description of the Terrains that Constitute the Crust of the Earth or Essay on the Structure of

6545-413: The Jurassic as a whole, is marked by the first appearance of the ammonite Psiloceras spelae tirolicum in the Kendlbach Formation exposed at Kuhjoch. The base of the Jurassic was previously defined as the first appearance of Psiloceras planorbis by Albert Oppel in 1856–58, but this was changed as the appearance was seen as too localised an event for an international boundary. The Sinemurian Stage

6664-422: The Jurassic was marked by the major Triassic–Jurassic extinction event , associated with the eruption of the Central Atlantic Magmatic Province (CAMP). The beginning of the Toarcian Age started around 183 million years ago and is marked by the Toarcian Oceanic Anoxic Event , a global episode of oceanic anoxia , ocean acidification , and elevated global temperatures associated with extinctions, likely caused by

6783-457: The Jurassic was warmer than the present, and there were no ice caps . Forests grew close to the poles, with large arid expanses in the lower latitudes. On land, the fauna transitioned from the Triassic fauna, dominated jointly by dinosauromorph and pseudosuchian archosaurs , to one dominated by dinosaurs alone. The first stem-group birds appeared during the Jurassic, evolving from a branch of theropod dinosaurs. Other major events include

6902-487: The Jurassic, both the North and South Pole were covered by oceans. Beginning in the Early Jurassic, the Boreal Ocean was connected to the proto-Atlantic by the "Viking corridor" or Transcontinental Laurasian Seaway, a passage between the Baltic Shield and Greenland several hundred kilometers wide. During the Callovian, the Turgai Epicontinental Sea formed, creating a marine barrier between Europe and Asia. Madagascar and Antarctica began to rift away from Africa during

7021-437: The Jurassic, the North Atlantic Ocean remained relatively narrow, while the South Atlantic did not open until the Cretaceous. The continents were surrounded by Panthalassa , with the Tethys Ocean between Gondwana and Asia. At the end of the Triassic, there was a marine transgression in Europe, flooding most parts of central and western Europe transforming it into an archipelago of islands surrounded by shallow seas. During

7140-510: The Jurassic–Cretaceous boundary is currently the only system boundary to lack a defined GSSP. Placing a GSSP for this boundary has been difficult because of the strong regionality of most biostratigraphic markers, and lack of any chemostratigraphic events, such as isotope excursions (large sudden changes in ratios of isotopes ), that could be used to define or correlate a boundary. Calpionellids , an enigmatic group of planktonic protists with urn-shaped calcitic tests briefly abundant during

7259-535: The Known Lands of the Earth. In this book, Brongniart used the phrase terrains jurassiques when correlating the "Jura-Kalkstein" of Humboldt with similarly aged oolitic limestones in Britain, thus coining and publishing the term "Jurassic". The German geologist Leopold von Buch in 1839 established the three-fold division of the Jurassic, originally named from oldest to the youngest: the Black Jurassic , Brown Jurassic , and White Jurassic . The term " Lias " had previously been used for strata of equivalent age to

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7378-407: The Late Jurassic (Kimmeridgian) of Scotland, which remains the only known unequivocal fossil of the group before the Cretaceous. Despite being the earliest known member of the Pinaceae, Eathiestrobus appears to be a member of the pinoid clade of the family, suggesting that the initial diversification of Pinaceae occurred earlier than has been found in the fossil record. The earliest record of

7497-416: The Middle Jurassic. Also abundant during the Jurassic is the extinct family Cheirolepidiaceae , often recognised through their highly distinctive Classopolis pollen. Jurassic representatives include the pollen cone Classostrobus and the seed cone Pararaucaria . Araucarian and Cheirolepidiaceae conifers often occur in association. The oldest definitive record of the cypress family ( Cupressaceae )

7616-445: The Middle to Late Jurassic, corresponding to the increasing aridity of the region. Ginkgoales , of which the sole living species is Ginkgo biloba , were more diverse during the Jurassic: they were among the most important components of Eurasian Jurassic floras and were adapted to a wide variety of climatic conditions. The earliest representatives of the genus Ginkgo , represented by ovulate and pollen organs similar to those of

7735-455: The National Landscape area was 139,000 in 2016. The largest excavation of Jurassic period echinoderm fossils , including of rare and previously unknown species, occurred at a quarry in the Cotswolds in 2021. There is evidence of Neolithic settlement from burial chambers on Cotswold Edge, and there are remains of Bronze and Iron Age forts. Later the Romans built villas, such as at Chedworth , settlements such as Gloucester, and paved

7854-405: The North Atlantic Ocean with eastern Panthalassa. Palaeontological data suggest that the seaway had been open since the Early Jurassic. As part of the Nevadan orogeny , which began during the Triassic, the Cache Creek Ocean closed, and various terranes including the large Wrangellia Terrane accreted onto the western margin of North America. By the Middle Jurassic the Siberian plate and

7973-462: The North China-Amuria block had collided, resulting in the closure of the Mongol-Okhotsk Ocean . During the Early Jurassic, around 190 million years ago, the Pacific Plate originated at the triple junction of the Farallon , Phoenix , and Izanagi tectonic plates , the three main oceanic plates of Panthalassa. The previously stable triple junction had converted to an unstable arrangement surrounded on all sides by transform faults because of

8092-679: The South Wales main line) and in the west by the Bristol–Birmingham main line . In addition, the Cotswold line runs through the Cotswolds from Oxford to Worcester , and the Golden Valley line runs across the hills from Swindon via Stroud to Gloucester , carrying fast and local services. Mainline rail services to the big cities run from railway stations such as Bath , Swindon , Oxford , Cheltenham , and Worcester . Mainline trains run by Great Western Railway to London Paddington also are available from Kemble station near Cirencester, Kingham station near Stow-on-the-Wold, Charlbury station , and Moreton-in-Marsh station . Additionally, there

8211-502: The TOAE represented one of the most severe extinctions in their evolutionary history. While the event had significant impact on marine invertebrates, it had little effect on marine reptiles. During the TOAE, the Sichuan Basin was transformed into a giant lake , probably three times the size of modern-day Lake Superior , represented by the Da'anzhai Member of the Ziliujing Formation . The lake likely sequestered ~460 gigatons (Gt) of organic carbon and ~1,200 Gt of inorganic carbon during

8330-414: The Tithonian, known as the Early Tithonian Cooling Event (ETCE). The end of the Jurassic was marked by the Tithonian–early Barremian Cool Interval (TBCI), beginning 150 million years ago and continuing into the Early Cretaceous . The Toarcian Oceanic Anoxic Event (TOAE), also known as the Jenkyns Event, was an episode of widespread oceanic anoxia during the early part of the Toarcian Age, c. 183 Mya. It

8449-529: The Toarcian around 174 million years ago. During the Toarcian Warm Interval, ocean surface temperatures likely exceeded 30 °C (86 °F), and equatorial and subtropical (30°N–30°S) regions are likely to have been extremely arid, with temperatures in the interior of Pangea likely in excess of 40 °C (104 °F).The Toarcian Warm Interval is followed by the Middle Jurassic Cool Interval (MJCI) between 174 and 164 million years ago, which may have been punctuated by brief, ephemeral icehouse intervals. During

8568-569: The Vale of Evesham . The area is defined by the bedrock of Jurassic limestone that creates a type of grassland habitat that is quarried for the golden-coloured Cotswold stone. It lies across the boundaries of several English counties: mainly Gloucestershire and Oxfordshire , and parts of Wiltshire , Somerset , Worcestershire , and Warwickshire . The highest point is Cleeve Hill at 1,083 ft (330 m), just east of Cheltenham . The predominantly rural landscape contains stone-built villages, towns, stately homes and gardens featuring

8687-540: The appearance of the earliest crabs and modern frogs , salamanders and lizards . Mammaliaformes , one of the few cynodont lineages to survive the end of the Triassic, continued to diversify throughout the period, with the Jurassic seeing the emergence of the first crown group mammals . Crocodylomorphs made the transition from a terrestrial to an aquatic life. The oceans were inhabited by marine reptiles such as ichthyosaurs and plesiosaurs , while pterosaurs were

8806-475: The atmosphere, as well as the possible associated release of methane clathrates . This likely accelerated the hydrological cycle and increased silicate weathering , as evidenced by an increased amount of organic matter of terrestrial origin found in marine deposits during the TOAE. Groups affected include ammonites, ostracods , foraminifera , bivalves , cnidarians , and especially brachiopods , for which

8925-508: The base of the Toarcian is located at Peniche, Portugal , and was ratified in 2014. The boundary is defined by the first appearance of ammonites belonging to the subgenus Dactylioceras ( Eodactylites ) . The Aalenian is named after the city of Aalen in Germany. The Aalenian was defined by Swiss geologist Karl Mayer-Eymar in 1864. The lower boundary was originally between the dark clays of

9044-437: The beauty of the Cotswolds AONB is intertwined with that of the villages that seem almost to grow out of the landscape, the Cotswolds were primarily designated an Area of Outstanding Natural Beauty for the rare limestone grassland habitats as well as the old growth beech woodlands that typify the area. These habitat areas are also the last refuge for many other flora and fauna, with some so endangered that they are protected under

9163-425: The border regions of South Warwickshire and Worcestershire, through West Oxfordshire and Gloucestershire, and takes in parts of Wiltshire and of Bath and North East Somerset in the south. Gloucestershire County Council is responsible for sixty-three per cent of the AONB. The Cotswolds Conservation Board has the task of conserving and enhancing the AONB. Established under statute in 2004 as an independent public body,

9282-549: The children's television star Brum that is featured in the first two series and opening titles. The museum also features in the show's opening title sequence as Brum leaves the museum, where he is on display, and heads into the Big Town. It also features in the closing sequence as well, when Brum drives back into the museum. The museum was founded in 1978 by car collector Mike Cavanagh, who also features in Brum . In 1999 Cavanagh sold it to

9401-447: The dominant flying vertebrates . Modern sharks and rays first appeared and diversified during the period, while the first known crown-group teleost fish appeared near the end of the period. The flora was dominated by ferns and gymnosperms , including conifers , of which many modern groups made their first appearance during the period, as well as other groups like the extinct Bennettitales . The chronostratigraphic term "Jurassic"

9520-679: The end of the Jurassic. The oldest unambiguous members of Podocarpaceae are known from the Jurassic, found across both hemispheres, including Scarburgia and Harrisiocarpus from the Middle Jurassic of England, as well as unnamed species from the Middle-Late Jurassic of Patagonia. During the Early Jurassic, the flora of the mid-latitudes of Eastern Asia were dominated by the extinct deciduous broad leafed conifer Podozamites , which appears to not be closely related to any living family of conifer. Its range extended northwards into polar latitudes of Siberia and then contracted northward in

9639-635: The end of the Triassic, the Peltaspermaceae became extinct in most parts of the world, with Lepidopteris persisting into the Early Jurassic in Patagonia. Dicroidium , a corystosperm seed fern that was a dominant part of Gondwanan floral communities during the Triassic, also declined at the Triassic–Jurassic boundary, surviving as a relict in Antarctica into the Early Jurassic. Conifers formed

9758-512: The eruption of the Karoo-Ferrar large igneous provinces . The end of the Jurassic, however, has no clear, definitive boundary with the Cretaceous and is the only boundary between geological periods to remain formally undefined. By the beginning of the Jurassic, the supercontinent Pangaea had begun rifting into two landmasses: Laurasia to the north and Gondwana to the south. The climate of

9877-417: The event. Seawater pH , which had already substantially decreased prior to the event, increased slightly during the early stages of the TOAE, before dropping to its lowest point around the middle of the event. This ocean acidification is the probable cause of the collapse of carbonate production. Additionally, anoxic conditions were exacerbated by enhanced recycling of phosphorus back into ocean water as

9996-550: The evidence for this is primarily European, probably controlled by changes in eustatic sea level. There is no evidence of a mass extinction of plants at the Triassic–Jurassic boundary. At the Triassic–Jurassic boundary in Greenland, the sporomorph (pollen and spores) record suggests a complete floral turnover. An analysis of macrofossil floral communities in Europe suggests that changes were mainly due to local ecological succession . At

10115-660: The first appearance of Cardioceras redcliffense as the lower boundary. The village of Kimmeridge on the coast of Dorset , England, is the origin of the name of the Kimmeridgian. The stage was named by Alcide d'Orbigny in 1842 in reference to the Kimmeridge Clay . The GSSP for the base of the Kimmeridgian is the Flodigarry section at Staffin Bay on the Isle of Skye , Scotland , which

10234-460: The first appearance of the ammonite Strambergella jacobi , formerly placed in the genus Berriasella , but its use as a stratigraphic indicator has been questioned, as its first appearance does not correlate with that of C. alpina . The Kimmeridge Clay and equivalents are the major source rock for the North Sea oil . The Arabian Intrashelf Basin, deposited during the Middle and Late Jurassic,

10353-656: The following were among the best attractions in the Cotswolds: The Cotswolds lie between the M5 , M40 and M4 motorways . The main A-roads through the area are: These all roughly follow the routes of ancient roads, some laid down by the Romans , such as Ermin Way and the Fosse Way . There are local bus services across the area, but some are infrequent. The River Thames flows from

10472-402: The genus Elatides . The Jurassic also saw the first appearances of some modern genera of cypresses, such as Sequoia . Members of the extinct genus Schizolepidopsis which likely represent a stem-group to the pine family ( Pinaceae ), were widely distributed across Eurasia during the Jurassic. The oldest unambiguous record of Pinaceae is the pine cone Eathiestrobus , known from

10591-505: The landscape, including the nearby Malvern Hills , the inspiration for future work. In 1916, Howells wrote his first major piece, the Piano Quartet in A minor, inspired by the magnificent view of the Malverns ; he dedicated it to "the hill at Chosen ( Churchdown ) and Ivor Gurney who knows it". Another contemporary of theirs, Gerald Finzi , lived in nearby Painswick . Gustav Holst , who

10710-459: The largest National Landscape area and England's third-largest protected landscape. The Cotswold local government district is within Gloucestershire. Its main town is Cirencester . In 2021, the population of the 450-square-mile (1,200 km ) district was 91,000. The much larger area referred to as the Cotswolds encompasses nearly 800 square miles (2,100 km ). The population of

10829-585: The late Early Jurassic in association with the eruption of the Karoo-Ferrar large igneous provinces , opening the western Indian Ocean and beginning the fragmentation of Gondwana. At the beginning of the Jurassic, North and South America remained connected, but by the beginning of the Late Jurassic they had rifted apart to form the Caribbean Seaway, also known as the Hispanic Corridor, which connected

10948-416: The late Sinemurian–Pliensbachian before regressing to near present levels by the late Pliensbachian. There seems to have been a gradual rise to a peak of ~75 m above present sea level during the Toarcian. During the latest part of the Toarcian, the sea level again dropped by several tens of metres. It progressively rose from the Aalenian onwards, aside from dips of a few tens of metres in the Bajocian and around

11067-465: The latest Jurassic to earliest Cretaceous, have been suggested to represent the most promising candidates for fixing the Jurassic–Cretaceous boundary In particular, the first appearance Calpionella alpina , co-inciding with the base of the eponymous Alpina subzone, has been proposed as the definition of the base of the Cretaceous. The working definition for the boundary has often been placed as

11186-771: The legal name and designation remains "Area of Outstanding Natural Beauty" under the Countryside and Rights of Way Act 2000 , amending the National Parks and Access to the Countryside Act 1949 . The term AONB is still used in this section. The Cotswolds National Landscape area (formerly the Cotwolds AONB) was originally designated as an Area of Outstanding Natural Beauty (AONB) in 1966, with an expansion on 21 December 1990 to 1,990 square kilometres (768 sq mi). In 1991, all AONBs were measured again using modern methods, and

11305-803: The limit of the region. To the south the Cotswolds, with the characteristic uplift of the Cotswold Edge, reach beyond Bath , and towns such as Chipping Sodbury and Marshfield share elements of Cotswold character. The area is characterised by attractive small towns and villages built of the underlying Cotswold stone (a yellow oolitic limestone ). This limestone is rich in fossils , particularly of fossilised sea urchins . Cotswold towns include Bourton-on-the-Water , Broadway , Chalford , Charlbury , Chipping Campden , Chipping Norton , Cricklade , Dursley , Malmesbury , Minchinhampton , Moreton-in-Marsh , Nailsworth , Northleach , Painswick , Stow-on-the-Wold , Stroud , Tetbury , Witney , Winchcombe and Wotton-under-Edge . In addition, much of Box lies in

11424-417: The local stone. A large area within the Cotswolds has been designated as a National Landscape (formerly known as Area of Outstanding Natural Beauty, or AONB) since 1966. The designation covers 787 square miles (2,038 km ), with boundaries roughly 25 miles (40 km) across and 90 miles (140 km) long, stretching south-west from just south of Stratford-upon-Avon to just south of Bath , making it

11543-603: The local stone. He said: "The truth is that it has no colour that can be described. Even when the sun is obscured and the light is cold, these walls are still faintly warm and luminous, as if they knew the trick of keeping the lost sunlight of centuries glimmering about them." The term "Cotswolds National Landscape" was adopted in September 2020, using a proposed name replacement for Areas of Outstanding Natural Beauty (AONB). All AONBs in England and Wales were re-branded as "National Landscapes" in November 2023, although (as of 2024)

11662-709: The main character's residence and the Anglican St Peter and St Paul church was the Roman Catholic St Mary's in the series. Other filming locations included Guiting Power , the former hospital in Moreton-in-Marsh , the Winchcombe railway station, Lower Slaughter , and St Peter's Church in Upper Slaughter . In the 2010s BBC TV series Poldark , the location for Ross Poldark's family home, Trenwith,

11781-428: The modern species, are known from the Middle Jurassic in the Northern Hemisphere. Several other lineages of ginkgoaleans are known from Jurassic rocks, including Yimaia , Grenana , Nagrenia and Karkenia . These lineages are associated with Ginkgo- like leaves, but are distinguished from living and fossil representatives of Ginkgo by having differently arranged reproductive structures. Umaltolepis from

11900-438: The money received from developers will be earmarked for new infrastructure to support the increasing population. Cotswold stone is a yellow oolitic Jurassic limestone . This limestone is rich in fossils , particularly of fossilised sea urchins . When weathered, the colour of buildings made or faced with this stone is often described as honey or golden. The stone varies in colour from north to south, being honey-coloured in

12019-602: The north and northeast, as in villages such as Stanton and Broadway ; golden-coloured in the central and southern areas, as in Dursley and Cirencester ; and pearly white in Bath . The rock outcrops at places on the Cotswold Edge; small quarries are common. The exposures are rarely sufficiently compact to be good for rock-climbing , but an exception is Castle Rock, on Cleeve Hill , near Cheltenham . In his 1934 book English Journey , J. B. Priestley wrote of Cotswold buildings made of

12138-422: The ocean floor acting as a buffer against large CO 2 emissions. The climate of the Jurassic was generally warmer than that of present, by around 5–10 °C (9–18 °F), with atmospheric carbon dioxide likely about four times higher. Intermittent "cold snap" intervals are known to have occurred during this time period, however, interrupting the otherwise warm greenhouse climate. Forests likely grew near

12257-455: The oceans, resulting in large areas of desert and scrubland in the lower latitudes between 40° N and S of the equator. Tropical rainforest and tundra biomes are likely to have been rare or absent. The Jurassic also witnessed the decline of the Pangaean megamonsoon that had characterised the preceding Permian and Triassic periods. Variation in the frequency of wildfire activity in the Jurassic

12376-530: The official area of the Cotswolds AONB was increased to 2,038 square kilometres (787 sq mi). In 2000, the government confirmed that AONBs have the same landscape quality and status as National Parks . It is England's third-largest protected landscape, after the Lake District and Yorkshire Dales national parks. The Cotswolds National Landscape, which is the largest in England and Wales , stretches from

12495-607: The poles, where they experienced warm summers and cold, sometimes snowy winters; there were unlikely to have been ice sheets given the high summer temperatures that prevented the accumulation of snow, though there may have been mountain glaciers. Dropstones and glendonites in northeastern Siberia during the Early to Middle Jurassic indicate cold winters. The ocean depths were likely 8 °C (14 °F) warmer than present, and coral reefs grew 10° of latitude further north and south. The Intertropical Convergence Zone likely existed over

12614-627: The region. The GSSP for the base of the Bathonian is Ravin du Bès, Bas-Auran area, Alpes de Haute Provence , France; it was ratified in 2009. The base of the Bathonian is defined by the first appearance of the ammonite Gonolkites convergens , at the base of the Zigzagiceras zigzag ammonite zone . The Callovian is derived from the Latinized name of the village of Kellaways in Wiltshire , England, and

12733-430: The term Cotswold is derived from Codesuualt of the 12th century or other variations on this form, the etymology of which is "Cod's-wold", meaning "Cod's high open land". Cod was interpreted as an Old English personal name, which may be recognised in further names: Cutsdean , Codeswellan, and Codesbyrig, some of which date to the 8th century. It has subsequently been noticed that Cod could derive philologically from

12852-562: The three series of von Buch in the Swabian Jura into six subdivisions defined by ammonites and other fossils. The German palaeontologist Albert Oppel in his studies between 1856 and 1858 altered d'Orbigny's original scheme and further subdivided the stages into biostratigraphic zones, based primarily on ammonites. Most of the modern stages of the Jurassic were formalized at the Colloque du Jurassique à Luxembourg in 1962. The Jurassic Period

12971-449: The tune for Come Down, O Love Divine . His opera Hugh the Drover depicts life in a Cotswold village and incorporates local folk melodies. In 1988, the 6th symphony (Op. 109) of composer Derek Bourgeois was titled A Cotswold Symphony . The Cotswolds are a popular location for scenes in movies and television programmes. The 2008 film Better Things , directed by Duane Hopkins, is set in

13090-483: The world's major landmasses were coalesced into the supercontinent Pangaea , which during the Early Jurassic began to break up into northern supercontinent Laurasia and the southern supercontinent Gondwana . The rifting between North America and Africa was the first to initiate, beginning in the early Jurassic, associated with the emplacement of the Central Atlantic Magmatic Province . During

13209-581: The yew family ( Taxaceae ) is Palaeotaxus rediviva , from the Hettangian of Sweden, suggested to be closely related to the living Austrotaxus , while Marskea jurassica from the Middle Jurassic of Yorkshire, England and material from the Callovian–Oxfordian Daohugou Bed in China are thought to be closely related to Amentotaxus , with the latter material assigned to the modern genus, indicating that Taxaceae had substantially diversified by

13328-531: Was born in Cheltenham, spent much of his early years playing the organ in Cotswold village churches, including at Cranham , after which he titled his tune for In the Bleak Midwinter . He also called his Symphony in F major, Op. 8, H47, The Cotswolds . Holst's friend Ralph Vaughan Williams was born at Down Ampney in the Cotswolds and, though he moved to Surrey as a boy, gave the name of his native village to

13447-518: Was first defined and introduced into scientific literature by Alcide d'Orbigny in 1842. It takes its name from the French town of Semur-en-Auxois , near Dijon . The original definition of Sinemurian included what is now the Hettangian. The GSSP of the Sinemurian is located at a cliff face north of the hamlet of East Quantoxhead , 6 kilometres east of Watchet , Somerset , England , within the Blue Lias , and

13566-595: Was founded as an Augustinian monastery in 1117, and Malmesbury Abbey was one of the few English houses with a continual history from the 7th century through to the Dissolution of the Monasteries . An unusual house in this area is Quarwood , a Victorian Gothic house in Stow-on-the-Wold . The grounds, covering 42 acres (17 ha), include parkland, fish ponds, paddocks, garages, woodlands and seven cottages. Another

13685-557: Was governed by the 405 kyr eccentricity cycle. Thanks to the breakup of Pangaea, the hydrological cycle during the Jurassic was significantly enhanced. The beginning of the Jurassic was likely marked by a thermal spike corresponding to the Triassic–Jurassic extinction and eruption of the Central Atlantic magmatic province. The first part of the Jurassic was marked by the Early Jurassic Cool Interval between 199 and 183 million years ago. It has been proposed that glaciation

13804-615: Was named by Alcide d'Orbigny in 1852, originally the base at the contact between the Forest Marble Formation and the Cornbrash Formation . However, this boundary was later found to be within the upper part of the Bathonian. The base of the Callovian does not yet have a certified GSSP. The working definition for the base of the Callovian is the first appearance of ammonites belonging to the genus Kepplerites . The Oxfordian

13923-478: Was present in the Northern Hemisphere during both the early Pliensbachian and the latest Pliensbachian. There was a spike in global temperatures of around 4–8 °C (7–14 °F) during the early part of the Toarcian corresponding to the Toarcian Oceanic Anoxic Event and the eruption of the Karoo-Ferrar large igneous provinces in southern Gondwana, with the warm interval extending to the end of

14042-660: Was ratified in 2000. The beginning of the Sinemurian is defined by the first appearance of the ammonite Vermiceras quantoxense . Albert Oppel in 1858 named the Pliensbachian Stage after the hamlet of Pliensbach in the community of Zell unter Aichelberg in the Swabian Alb , near Stuttgart , Germany. The GSSP for the base of the Pliensbachian is found at the Wine Haven locality in Robin Hood's Bay , Yorkshire , England, in

14161-430: Was ratified in 2021. The boundary is defined by the first appearance of ammonites marking the boreal Bauhini Zone and the subboreal Baylei Zone. The Tithonian was introduced in scientific literature by Albert Oppel in 1865. The name Tithonian is unusual in geological stage names because it is derived from Greek mythology rather than a place name. Tithonus was the son of Laomedon of Troy and fell in love with Eos ,

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