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Derbyshire Dome

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67-543: The Derbyshire Dome is a geological formation across mid- Derbyshire in England. The White Peak area of the Peak District is named after the limestone plateau landscape of the 'Derbyshire Dome' anticline . The plateau is generally between 200m and 300m above sea level. This limestone outcrop is surrounded on the west, north and east by a horseshoe-shaped formation of younger sandstones ( gritstones ) and shales , known as

134-473: A unitary authority area of the City of Derby. Derby remains part of Derbyshire only for ceremonial purposes. Derbyshire has become fractionally smaller during government reorganisation over the years. The Sheffield suburbs Woodseats, Beauchief, Handsworth, Woodhouse, Norton, Mosborough , Totley , Bradway and Dore were previously parts of the county, but were lost to Sheffield between 1900 and 1933; Mosborough

201-628: A bryophyte flora for Derbyshire still continues: by 2012 a total of 518 bryophyte species had been recorded for the county. Botanical recording in the UK predominantly uses the unchanging vice-county boundary system, which results in a slightly different map of Derbyshire from the modern geographic county. A number of specialist organisations protect, promote and monitor records of individual animal groups across Derbyshire. The main ones are Derbyshire Ornithological Society; Derbyshire Mammal Group; Derbyshire Bat Group, Derbyshire Amphibian and Reptile Group, and

268-415: A long period. Lead, for example, has been mined since Roman times. The limestone outcrops in the central area led to the establishment of large quarries to supply the industries of surrounding towns with lime for building and steelmaking , and latterly in the 20th-century cement manufacture. The Industrial Revolution also increased demand for building stone , and in the late 19th and early 20th-century,

335-530: A number of sensitive species are now being seen to be either expanding or contracting their range as a result. For the purposes of protecting and recording the county's most important habitats, Derbyshire has been split into two regions, each with its own Biodiversity Action Plan (BAP), based around National Character Areas. The Peak District BAP includes all of Derbyshire's uplands of the Dark Peak, South-West Peak and White Peak, including an area of limestone beyond

402-561: A population of 1,053,316. The east of the county is more densely populated than the west, and contains the county's largest settlements: Derby (261,400), Chesterfield (88,483), and Swadlincote (45,000). For local government purposes Derbyshire comprises a non-metropolitan county , with eight districts, and the Derby unitary authority area. The East Midlands Combined County Authority includes Derbyshire County Council and Derby City Council. The north and centre of Derbyshire are hilly and contain

469-517: A population of 770,600 lived in the county with 248,752 (32%) living in Derby. Although Derbyshire is officially part of the East Midlands statistical region, parts of the county are often considered to be culturally in Northern England , such as Chesterfield and Glossop. The table below shows all towns with over 10,000 inhabitants. During a series of administrative boundary changes during

536-701: A processing centre for fluorspar since 1965. Also there was a major fluorspar mining centre at Masson Hill above Matlock. Blue John is a purple and yellow banded fluorspar that is unique to the Peak District, only found in Blue John Cavern and in Treak Cliff Cavern at Castleton . It was prized in Victorian times for ornaments and jewellery. Derbyshire Derbyshire ( / ˈ d ɑːr b i ʃ ɪər , - ʃ ər / DAR -bee-sheer, -⁠shər )

603-459: A significant part of Derbyshire's economy, as did coal mining. Lead mining has been important here since Roman Times. The more recent river gravels of the Trent valley remain a significant extractive industry today in south Derbyshire, as does the mining of limestone rock in central and northern parts of the county. Coarse sandstones were once extensively quarried both for local building materials and for

670-540: A warm shallow sea in the Brigantian stage of the Carboniferous period (around 330 million years ago). About 30 million years later, coarser debris from rock erosion was washed onto the earlier shell layers. These deposits were compressed over time into rocks which were subsequently uplifted and folded into a dome. Later erosion of the younger Namurian -age sandstones (the finer shales and the rougher gritstones) has exposed

737-475: Is a ceremonial county in the East Midlands of England. It borders Greater Manchester , West Yorkshire , and South Yorkshire to the north, Nottinghamshire to the east, Leicestershire to the south-east, Staffordshire to the south and west, and Cheshire to the west. Derby is the largest settlement, and Matlock is the county town. The county has an area of 2,625 km (1,014 sq mi) and

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804-401: Is a protected Scheduled Monument . Fluorspar was originally mined in the Peak District as a flux for iron smelting. Modern uses are for glass manufacture and production of hydrogen fluoride (with wide-ranging applications from pharmaceuticals to refrigerants). Sallet Hole Mine is a 19th-century fluorspar mine in the centre of Coombs Dale , which closed in 1998. Nearby Cavendish Mill has been

871-547: Is a valley on the River Wye in Derbyshire , England, where there is also a hamlet of the same name. It is a popular beauty spot in the Peak District of England, much of the area being preserved as a Site of Special Scientific Interest . Nearby are Ravenstor and Chee Dale , both popular with rock-climbers . Just to the north of the dale lie the village of Wormhill and the lesser-known valleys of Peter Dale and Monk's Dale ,

938-617: Is produced easily by heating limestone and it has been used in mortar since ancient times, for fixing together the stone blocks of buildings. Lime has also been used as a soil improver in agriculture since the Middle Ages . There are hundreds of lime kilns from the 17th to 19th centuries and associated spoil heaps at many sites across the White Peak. Limestone is used in lead smelting as a flux to remove impurities. Millions of tons of limestone are removed from Derbyshire quarries every year. Buxton

1005-408: Is rich in minerals, formed from geothermal fluids being forced up through the fissures in the limestone. When these cooled and crystallised they formed widespread hydrothermal mineral veins of galena ore (lead sulphide), fluorospar , barytes , calcite and copper . Large veins are known as 'rakes'. Dolomite is a more resistant form limestone, created where magnesium has been introduced into

1072-514: Is the largest centre in Britain for limestone quarrying. Other large quarries are at Longcliffe near Matlock. The larger outcrops of dolerite in the White Peak are quarried at Waterswallows Quarry near Buxton and at Ible Quarry near Bonsall . Dolerite is used as an ornamental stone (for buildings, memorials, paving, etc.) and is crushed for use in construction aggregate (for roads, railways, buildings, and dams). Lead ore (galena) has been mined across

1139-624: The Dark Peak . The town of Buxton is at the western edge of the limestone region. The Triassic sandstones of the Midlands plain bound the south edge of the limestone region. The other main karst landscapes of England are the Yorkshire Dales and the Mendip Hills . The layers of carboniferous limestone were formed from the carbonate shells of countless invertebrate sea creatures, deposited in

1206-702: The EFL Championship , the second tier of English football. The next highest-placed team is Chesterfield , which participates in EFL League Two , the fourth tier of English football. There are also many non-league teams playing throughout the county, most notably Alfreton Town , which plays in the National League North . The county is currently home to the world's oldest football club, Sheffield F.C. , which plays in Dronfield in north-east Derbyshire. Glossop

1273-486: The East Midlands Combined Authority , and elected the first Mayor of the East Midlands in the 2024 East Midlands Mayoral Election . The Derbyshire school system is comprehensive with no selective schools. The independent sector includes Repton School , Trent College and The Elms School . There are several towns in the county, with Derby the largest and most populous. At the time of the 2011 census,

1340-802: The Manifold Valley , Dove Holes in Dovedale and over 3 km of cave passages at Middleton Dale . Many Stone Age , Bronze Age and Roman artefacts (including animal and human remains) have been found in several of these caves, such as Dowel Cave, Fox Hole Cave and Thirst House. Their archaeological importance is recognised in them being designated as Scheduled Monuments . Ice Age animal bones were found by quarrymen in 1901 in an underground chamber at Victory Quarry at Dove Holes . These included sabre tooth tiger , mastodon , hyena and rhinoceros . Finds in fissures at other Buxton quarries have included bison and lion bones. The limestone crags, cliffs and quarries and

1407-634: The Repton area. Following the Norman Conquest , much of the county was subject to the forest laws . To the northwest was the Forest of High Peak under the custodianship of William Peverel and his descendants. The rest of the county was bestowed upon Henry de Ferrers , a part of it becoming Duffield Frith . In time the whole area was given to the Duchy of Lancaster . Meanwhile, the Forest of East Derbyshire covered

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1474-529: The Roman conquest of Britain , the invaders were attracted to Derbyshire for its lead ore in the limestone hills of the area. They settled throughout the county, with forts built near Brough in the Hope Valley and near Glossop . Later they settled round Buxton , famed for its warm springs, and set up a fort near modern-day Derby in an area now known as Little Chester . Several kings of Mercia are buried in

1541-656: The 20th century, settlements which were historically part of the county now fall under the administrative areas of Greater Manchester , South Yorkshire , and Staffordshire : Numerous other boundary changes also took place during the course of the 19th century, with county settlements being ceded to the counties of Staffordshire and Leicestershire Because of the size of the county, southern parts of Derbyshire such as Derby, Matlock, Ashbourne and Bakewell are covered by BBC East Midlands and ITV Central in Nottingham , broadcast from Waltham . Northeast Derbyshire, Chesterfield,

1608-537: The Derbyshire & Nottingham Entomological Society. All maintain databases of wildlife sightings, whilst some such as the Derbyshire Ornithological Society provide alerts of rare sightings on their websites or social media pages and also publish major works describing the status and distribution of species. Derbyshire has a mixture of a rural economy in the west, with a former coal-mining economy in

1675-1326: The Derbyshire Dome anticline was established between John Whitehurst in 1778 and White Watson in 1811, and John Farey provided names for them in 1811. From west to east the limestone strata include: Over millions of years, acidic groundwater has travelled through the limestone bedding planes and joints forming underground chambers and channels. This has created typical fluviokarst features of dry valleys, steep-sided gorges, and cave systems with stalactites and stalagmites. Numerous rivers disappear into underground channels in places called ' swallets ' and reappear as springs in places called ' resurgences '. Many limestone dales have ' winterbourne ' streams which flow in winter and after heavy rains but dry up over summer months. The gorge of Winnats Pass has cliffs up to 100m high. Dovedale , Deep Dale and Miller's Dale are other steep-sided gorges formed by Ice Age melt water. Notable caves are: Poole's Cavern at Buxton; Speedwell Cavern , Treak Cliffe Cavern , Blue John Cavern , Peak Cavern (the Devil's Arse) and Titan Cave (the deepest in Britain) at Castleton ; Great Masson Cavern at Matlock , Thor's Cave in

1742-519: The Neolithic henge monument of Arbor Low , which has been dated to 2500 BCE. It is not until the Bronze Age that real signs of agriculture and settlement are found in the county. In the moors of the Peak District signs of clearance, arable fields and hut circles were found after archaeological investigation. However this area and another settlement at Swarkestone are all that have been found. During

1809-495: The Nottinghamshire border. Deposits left in the caves date the occupancy at around 12,000 to 7,000 BCE . Burial mounds of Neolithic settlers are also situated throughout the county. These chambered tombs were designed for collective burial and are mostly located in the central Derbyshire region. There are tombs at Minninglow and Five Wells that date back to between 2000 and 2500 BCE. Three miles west of Youlgreave lies

1876-612: The Peak District LNP and the Lowland Derbyshire & Nottinghamshire LNP. Since 2002, the county flower for Derbyshire has been Jacob's-ladder ( Polemonium caeruleum ), a relatively rare species, and characteristic of certain limestone dales in the White Peak. Derbyshire is known to have contained 1,919 separate taxa of vascular plants (including species, hybrids and micro-species) since modern recording began, of which 1,133 are known to be either native or archaeophyte ,

1943-541: The Peak District National Park. The 11 National Character Areas found within Derbyshire are: Derbyshire's solid geology can be split into two very different halves. The oldest rocks occur in the northern, more upland half of the county, and are mostly of Carboniferous age, comprising limestones , gritstones , sandstones and shales . In its north-east corner to the east of Bolsover , there are also Magnesian Limestone rocks of Permian age. In contrast,

2010-497: The UK's largest car manufacturing plants at Burnaston . Ashbourne Water used to be bottled in Buxton by Nestlé Waters UK until 2006 and Buxton Water still is. Derbyshire is one of only three counties permitted to make cheese that is labelled as Stilton cheese . The others are Leicestershire and Nottinghamshire . The smallest of six companies making this product is Hartington Creamery at Pikehall . As of March 2021, Hartington Stilton

2077-833: The White Peak since at least Roman times and until the last mine closed in the 1950s. The Romans used lead for water pipes, cisterns and weights. Lutudarum near Matlock was the administrative centre for Roman lead mining. Numerous lead pigs (ingots weighing about 50kg) bearing the mark for Lutudarum have been discovered in Derbyshire, near Hull and in Sussex . Principal lead mining sites include Lathkill Dale , Odin Mine at Castleton, Magpie Mine (a well-preserved mining complex), Bonsall and Via Gellia , Winster and Wirksworth . Limestone aquifers meant that mines were prone to flooding and so expensive drains ( soughs ) and pump engines were needed when extracting lead ore from deeper mines. The rock bearing

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2144-414: The arrival of the railways led to a large number of stone quarries being established. This industry has left its mark on the countryside, but is still a major industry: a lot of the stone is supplied as crushed stone for road building and concrete manufacture, and is moved by rail. Derbyshire's relative remoteness in the late 18th century and an abundance of fast-flowing streams led to a proliferation of

2211-413: The best-known. Cemented screes and tufa deposits occur very rarely in the limestone dales and rivers, whilst cave systems have been created naturally in the limestone since Pleistocene times. A recently discovered cave chamber near Castleton , named Titan , is the deepest shaft and biggest chamber of any cave in Britain. The oldest rocks are Lower Carboniferous limestones of Dinantian age, which form

2278-491: The core of the White Peak within the Peak District National Park. Because northern Derbyshire is effectively an uplifted dome of rock layers that have subsequently eroded to expose older rocks in the centre of the Derbyshire Dome , these are encircled by progressively younger limestone rocks, until they in turn give way on three sides to Upper Carboniferous shales, gritstones and sandstones of Namurian age. Younger still are

2345-470: The county and surround large conurbations: Because of its central location in England and altitude range from 27 metres in the south to 636 metres in the north, Derbyshire contains many species at the edge of their UK distribution ranges. Some species with a predominantly northern British distribution are at the southern limit of their range, whilst others with a more southern distribution are at their northern limit in Derbyshire. As climate change progresses,

2412-479: The county is provided by BBC Radio Derby , BBC Radio Sheffield (covering Chesterfield and Bolsover ) and BBC Radio Manchester (covering Glossop, New Miils and Chapel-en-le-Frith). County-wide commercial radio stations are Capital Midlands , Hits Radio East Midlands , Gold , Greatest Hits Radio East Midlands and Greatest Hits Radio Yorkshire (for Chesterfield, Matlock and Bakewell). Derbyshire has two Football League teams, Derby County , which plays in

2479-682: The county's highest point at Kinder Scout . The terrain is relatively low-lying across the lower Dove Valley , from the Trent Valley and southwards, the far south of the Derwent Valley and near its eastern borders with Nottinghamshire and Leicestershire . The main rivers in the county are the River Derwent and the River Dove which both join the River Trent in the south. The River Derwent rises in

2546-635: The eastern High Peak (Hope Valley) and northern area of the Derbyshire Dales ( Tideswell and Hathersage ) are covered by ITV Yorkshire and BBC Yorkshire from Emley Moor , with their ITV News Calendar and Look North programmes, both from Leeds . The western area of the High Peak ( Buxton , Glossop , New Miils and Chapel-en-le-Frith ) is covered by BBC North West from Winter Hill and ITV Granada , both based in Salford . BBC Local Radio for

2613-429: The far south of Derbyshire from Ticknall (limestone) to Swadlincote (coal measures). Some areas of the White Peak exhibit contemporaneous basalt flows (e.g. Ravens Tor at Millers Dale), as well as subsequent dolerite sill intrusion at a much later stage (e.g. near Tideswell Dale), whilst mineralisation of the carboniferous limestone in a subsequent period created extensive lead and fluorite deposits which have formed

2680-649: The furthest point from the sea in the UK. The area that is now Derbyshire was first visited, probably briefly, by humans 200,000 years ago during the Aveley interglacial , as shown by a Middle Paleolithic Acheulean hand axe found near Hopton . Further occupation came with the Upper Paleolithic and Neolithic periods of the Stone Age when Mesolithic hunter-gatherers roamed the hilly tundra. Evidence of these nomadic tribes has been found in limestone caves located on

2747-461: The galena ore was crushed and smelted in cupola furnaces to extract the lead. Mined rock veins contained 10% or less galena, so mining sites are characterised by many spoil heaps of waste. Copper has been mined in the Peak District since the Bronze Age . Ecton Mines (Deep Ecton and Clayton) on the western edge of the Peak were a major complex for mining copper ore until their closure in 1891. The site

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2814-485: The gritstone edges of the Peak District offer some of the most challenging rock climbing in Europe, with over 10,000 graded routes. Popular locations with extensive routes include Stanage Edge , Froggatt Edge , The Roaches , Chee Dale and Middleton Dale . Limestone has been quarried in the Peak District since Roman times. It was used as building stone, for road aggregate and for making lime (also known as quicklime ). Lime

2881-1143: The high moors. The dales of the White Peak are known for habitats such as calcareous grassland , ash woodlands and rock outcrops in all of which a much greater richness of lime-loving species occurs than elsewhere in the county. These include various orchids (such as early purple orchid ( Orchis mascula ), dark-red helleborine ( Epipactis atrorubens ) and fly orchid ( Ophrys insectifera )), common rockrose ( Helianthemum nummularium ), spring cinquefoil ( Helianthemum nummularium ) and grass of parnassus ( Parnassia palustris ). Specialised communities of plants occur on former lead workings, where typical metallophyte species include spring sandwort ( Minuartia verna ), alpine penny-cress ( Thlaspi caerulescens ) (both known locally in Derbyshire as Leadwort), as well as mountain pansy ( Viola lutea ) and moonwort ( Botrychium lunaria ). In 2015, Derbyshire contained 304 vascular plant species now designated as of international, national or local conservation concern, for their rarity or recent declines, and collectively listed as Derbyshire Red Data plants. Work on recording and publishing

2948-702: The last 120 years in a series of four major botanical works, each by different authors between 1889 and 2015, all entitled The Flora of Derbyshire . Plant recording is mainly undertaken locally by volunteers from the Derbyshire Flora Group, and by staff at Derbyshire Wildlife Trust and the Peak District National Park. The Dark Peak is marked by heathlands, bogs, gritstone edges and acid grasslands containing relatively few species, with plants such as heather ( Calluna vulgaris ), crowberry ( Empetrum nigrum ), bilberry ( Vaccinium myrtillus ) and hare's-tail cotton grass ( Eriophorum vaginatum ) being dominant on

3015-514: The latter being listed as a Site of Special Scientific Interest and a nature reserve. A local landmark is the viaduct, first built by the Midland Railway in 1866. Increasing traffic meant that a second viaduct parallel to the first was built in 1905, increasing the number of tracks to four. Millers Dale station was at the junction where passengers for Buxton joined or left the trains between London and Manchester. The station closed in 1967 and

3082-432: The limestone strata . The shells can be seen as fossils ( crinoids , trilobites and shellfish ) in the limestone outcrops, cliffs and caves. At times when parts of the sea bed rose, plants grew and their decayed remains formed a few shallow deposits of coal on the western side of the dome. Volcanoes around the sea bed spewed out lava flows which have formed local outcrops of volcanic basalt ( dolerite ). The Peak District

3149-598: The line closed in the following year. Large sections of the trackbed now form part of the Monsal Trail , a cycle and walking trail. Northwards from Millers Dale the line entered the two Chee Tor tunnels (401 and 94 yards), separated by a 50-foot-high (15 m) bridge over the River Wye, then along a ledge cut into the rock face, before entering Rusher Cutting tunnel (121 yards), crossing the Wye again by another viaduct. The line here

3216-616: The main city of Derby, the largest town in the county is Chesterfield . Derbyshire is also part of multiple combined authorities . The Erewash, Amber Valley and Derby districts are part of the D2N2 partnership with neighbouring Nottinghamshire. The Derbyshire Dales, Bolsover, North East Derbyshire and Chesterfield districts are part of the South Yorkshire Mayoral Combined Authority (as non constituent members). Derbyshire County Council and Derby City Council are part of

3283-431: The map above. These district councils are responsible for local planning and building control, local roads, council housing , environmental health , markets and fairs, refuse collection and recycling, cemeteries and crematoria, leisure services, parks, and tourism. Education, social services, libraries, main roads, public transport, policing and fire services, trading standards , waste disposal and strategic planning are

3350-697: The moorland of Bleaklow and flows throughout the Peak District and county for the majority of its course, while the River Dove rises in Axe Edge Moor and forms a boundary between Derbyshire and Staffordshire for most of its length. The varied landscapes within Derbyshire have been formed mainly as a consequence of the underlying geology, but also by the way the land has been managed and shaped by human activity. The county contains 11 discrete landscape types, known as National Character Areas , which have been described in detail by Natural England and further refined, mapped and described by Derbyshire County Council and

3417-522: The national park boundary. The remaining areas are monitored and recorded in the Lowland Derbyshire Biodiversity Action Plan, which subdivides the landscape into eight smaller Action Areas. The Derbyshire Biological Records Centre was formerly based at Derby Museum and Art Gallery, but since 2011 has been managed by Derbyshire Wildlife Trust. Two of Englands 48 Local Nature Partnerships (LNP) also cover Derbyshire; these are

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3484-469: The north-east (Bolsover district), the Erewash Valley around Ilkeston and in the south around Swadlincote. The rural landscape varies from arable farmland in the flatlands to the south of Derby, to upland pasture and moorland in the high gritstone uplands of the southern Pennines. Derbyshire is rich in natural mineral resources such as lead, iron, coal , and limestone, which have been exploited over

3551-458: The production of gritstone grinding wheels for use in mills, and both former industries have left their mark on the Derbyshire landscape. As well as the protections afforded to the Peak District area under national and local policies, there are several green belts within the county, aimed at preserving the landscape surrounding main urban areas. There are four such areas, the first three being portions of much larger green belts that extend outside

3618-795: The remainder being non-native species. These comprise 336 established species, 433 casuals and 17 unassigned. It is known that 34 species of plants once native here have been lost from Derbyshire (i.e. become locally extinct) since modern plant recording began in the 17th century. Derbyshire contains two endemic vascular plants, found nowhere else in the world: Rubus durescens , a bramble occurring in central Derbyshire, and Derby hawkweed ( Hieracium naviense ), still known only from Winnats Pass . One endemic species of moss, Derbyshire Feather Moss , occurs in one small 3-metre patch in just one Derbyshire limestone dale, its sole world location intentionally kept confidential. The distribution and status of vascular plants in Derbyshire have been recorded over

3685-563: The responsibility of the County Council. Although Derbyshire is in the East Midlands , some parts, such as High Peak (which incorporated former areas of Cheshire after boundary changes in 1974), are closer to the northern cities of Manchester and Sheffield and these receive services more affiliated with northern England; for example, the North West Ambulance Service , Granada Television and United Utilities .Outside

3752-519: The rock by ground water. Outcrops such as Rainster Rocks are found between Carsington and Hartington . The many steep-sided limestone dales (such as Chee Dale , Deep Dale , Lathkill Dale , Monk's Dale and Monsal Dale ) have been formed by glacial erosion of the Visean -age limestone plateau. There are gritstone escarpments where the limestone plateau meets the Dark Peak horseshoe. These include: The sequence of alternating limestones and basalts in

3819-419: The sandstones, shales and coal deposits found on the eastern flank of Derbyshire, forming the coal measures, which are of Westphalian age. All these rock layers disappear south of a line drawn between Ashbourne and Derby under layers of clays and sandstones ( Mercia Mudstone Group and Sherwood Sandstones ) of Permo-Triassic age. Small amounts of carboniferous limestones, gritstones and coal measures reappear in

3886-450: The seat of Derbyshire Dales , a Conservative safe seat that had not been won by Labour since the 1945 election . Shown below are the vote and seat count at the 2019 election compared to the 2024 election: Derbyshire has a three-tier local government since the local government reorganisation in 1974. It has a county council based in Matlock and eight district councils and since 1997,

3953-448: The southern and more lowland half of Derbyshire contains much softer rocks, mainly mudstones and sandstones of Permo-Triassic age, which create gentler, more rolling landscapes with few rock outcrops. Across both regions can be found drift deposits of Quaternary age – mainly terrace and river gravel deposits and boulder clays. Landslip features are found on unstable layers of sandstones and shales, with Mam Tor and Alport Castles being

4020-620: The southern end of the Pennines , most of which are part of the Peak District National Park . They include Kinder Scout , at 636 m (2,087 ft) the highest point in the county. The River Derwent is the longest in the county, at 66 miles (106 km), and flows south until it meets the River Trent just south of Derby. Church Flatts Farm at Coton in the Elms , near Swadlincote, is

4087-502: The strata have been exposed by quarries and railway cuttings. In Station Quarry two layers of limestone can be seen, separated by a bed of shale. At one point there is a dip in the lower layer, possibly from a watercourse, millions of years ago. This is filled with the shale and a large limestone boulder can be seen within it. Elsewhere in the area there are signs of lava flows from long-ago volcanic activity. A painting by Thomas Allom , and engraved by J. J. Hinchliff, which appears to show

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4154-664: The use of hydropower at the beginning of the Industrial Revolution , following the mills pioneered by Richard Arkwright . Derbyshire has been said to be the home of the Industrial Revolution, and part of the Derwent Valley has been given World Heritage status in acknowledgement of this historic importance. Nationally famous companies in Derbyshire include Rolls-Royce , one of the world's leading aerospace companies, based since before World War I in Derby, Thorntons just south of Alfreton and Toyota , who have one of

4221-515: The whole county to the east of the River Derwent from the reign of Henry II to that of Edward I . The terrain of Derbyshire mostly consists of uplands to the north and centre of the county, and lowlands to the south and east. The southern foothills and uplands of the Pennines extend from the north of the Trent Valley throughout the Peak District and into the north of the county, reaching

4288-432: Was immensely difficult and expensive to construct, skirting, as it did, the base of the 300-foot (91 m) high ciff of Chee Tor . Chee number 1 was, until May 2011, sealed off for safety reasons, but it is now possible to walk through all three tunnels. Further on was the triangular junction for Buxton via Blackwell Mill , before continuing to Peak Forest . The area is of great interest to geologists, particularly where

4355-606: Was marketing within the UK but also exporting to the US, EU and Canada. The company director told the BBC that they had "a surge in interest and consumer sales from the US". The county is divided into eleven constituencies for the election of members of parliament (MPs) to the House of Commons . In the 2024 United Kingdom general election , all seats in Derbyshire were won by the Labour Party, including

4422-878: Was the smallest town in the country to have a football team in the top tier of English football, Glossop North End . Derbyshire has a cricket team based at the County Cricket Ground. Derbyshire County Cricket Club currently plays in Division Two of the County Championship . There are also rugby league clubs based in the north of the county, the North Derbyshire Chargers and in Derby (Derby City RLFC). The county has numerous rugby union clubs, including Derby, Chesterfield Panthers, Matlock, Ilkeston, Ashbourne, Bakewell and Amber Valley. Millers Dale Millers Dale (Ordnance Survey: Miller's Dale )

4489-482: Was transferred in 1967. However, Derbyshire gained part of the Longdendale valley and Tintwistle from Cheshire in 1974. The current area of the geographic/ceremonial county of Derbyshire is only 4.7 square kilometres less than it was over 100 years ago. At the third tier are the parish councils , which do not cover all areas. The eight district councils in Derbyshire and the unitary authority of Derby are shown in

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