Alluvium (from Latin alluvius , from alluere 'to wash against') is loose clay , silt , sand , or gravel that has been deposited by running water in a stream bed, on a floodplain , in an alluvial fan or beach , or in similar settings. Alluvium is also sometimes called alluvial deposit . Alluvium is typically geologically young and is not consolidated into solid rock. Sediments deposited underwater, in seas, estuaries , lakes, or ponds, are not described as alluvium. Floodplain alluvium can be highly fertile, and supported some of the earliest human civilizations.
28-459: Uig is a placename meaning "bay" (from Norse) and may refer to: Places [ edit ] Uig, Coll , a hamlet on the island of Coll , Argyll and Bute, Scotland Uig, Duirinish , a hamlet near Totaig, on the Isle of Skye, Highland Scotland Uig, Lewis , a civil parish on the western cost of the Isle of Lewis, Outer Hebrides, Scotland Uig, Snizort ,
56-444: A difference in terrain. Modern farming methods had partly caused its demise elsewhere. Mairi Hedderwick , the illustrator and author, used to live on Coll and has used the island as the setting for her Katie Morag series of children's books. In the books, Coll is known by the fictional name of the Isle of Struay. In Alexander McCall Smith 's The Charming Quirks of Others the protagonist, Isabelle Dalhousie, discusses Coll as
84-464: A film club, Screen Coll. A remote outdoor disco is also held on the island. In September 2024, it was reported that the island had one shop, one restaurant, one hotel and a post office in operation. The charity Project Trust , which organises overseas volunteering and gap-years, has been based on the island since 1974. The founder, Nicholas Maclean-Bristol, also restored Breacachadh Castle. The island also has several tourist businesses. There
112-452: A language in which the ancestor of the word was the native term." In Icelandic, the word kollur (Old Norse: kollr , Norwegian: koll or kolle ) means "a rounded protrusion, such as a rounded mountaintop, or a tussock". In the 6th century, an Irish invasion led to the establishment of the Gaelic kingdom of Dál Riata , which included Coll. Dál Riata was divided into four kin-groups, of which
140-401: A place for a honeymoon. 56°38′00″N 6°33′26″W / 56.63333°N 6.55722°W / 56.63333; -6.55722 Alluvium The present consensus is that "alluvium" refers to loose sediments of all types deposited by running water in floodplains or in alluvial fans or related landforms . However, the meaning of the term has varied considerably since it
168-433: A population of 171 according to Census figures released in 2024. This is a decline from 195 in 2013. Coll's sandy beaches rise to form large sand dunes. The highest point on Coll is Ben Hogh in the mid-west of the island, which is a ridge with two tops running northwest to southeast. It rises initially to a height of 104 metres (341 feet), with a triangulation pillar, and to 106 m (348 ft) 450 m (490 yd) to
196-434: A pre-Celtic name. Richard Coates has proposed that the name may be related to Greek kolossós and may have referred to a humanoid standing stone located on the island, like those still seen on North Uist and Lewis . As Kolossós is not originally a Greek word, Coates suggests that the name could have been given to Coll at a time when the kolossói of Mediterranean culture were well-known, or named "by speakers of
224-455: A return trip from Tiree, to Coll, to Oban. The ferry between Oban and Castlebay on Barra goes via Coll and Tiree once a week. The airport on the island, ( IATA : COL ) is located between Uig and Arileod. Highland Airways who originally operated the route to Oban went into administration in 2010, but a new operator, Hebridean Air Services now operates the route under a PSO with flights to Oban, Tiree and Colonsay. The aircraft used for
252-497: A small airport. The island is rural in nature and has been awarded Dark Sky status. Coll is formed largely from gneiss forming the Lewisian complex , a suite of metamorphic rocks of Archaean to early Proterozoic age. The eastern part of the island is traversed by numerous normal faults most of which run broadly northwest–southeast. Dolerite and camptonite dykes of Permo - Carboniferous or Tertiary age are also seen in
280-640: A village and ferry port on the Trotternish peninsula, Isle of Skye, Highland Scotland Glenuig (Gleann Ùige), small village in Moidart, Lochaber, Highland Uigg, Prince Edward Island , a settlement in Maritime Canada Other uses [ edit ] Uíge , a provincial capital city in northwestern Angola Uyghur language (ISO 639 code) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with
308-450: Is an extensive RSPB reserve towards the west end of the island. One of the main attractions is the rare corncrake , as well as Skylarks . Traditional local farming practices have helped this once common British bird to survive. In the 1970s, scientists released sand lizards on Coll. There is also a small population of sand lizards, as much of 39 individuals were introduced by scientists to test whether they can survive so far north in
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#1732851475167336-534: Is an island located west of the Isle of Mull and northeast of Tiree in the Inner Hebrides of Scotland. Coll is known for its sandy beaches, which rise to form large sand dunes , for its corncrakes , and for Breacachadh Castle . It is in the council area of Argyll and Bute . Arinagour is the main settlement on Coll. There is a ferry terminal on the island which connects it with the mainland of Scotland. Coll also has
364-666: Is difficult to estimate the exact age of these islands, but several are thought to date to the Norse period; local traditions describe three – Dùn Anlaimh , Dùn an Achaidh , Dùn Dubh – as having been Norse strongholds which survived until they were attacked by the Macleans. The 1266 Treaty of Perth transferred the Norwegian crown dependency to the Scottish king . Following the MacDougall defeat in
392-680: The Cenél Loairn ruled Coll, Mull , and the adjacent mainland, which together consequently became known as Lorn , after them. Coll shared the history of Lorn for the next 1000 years, becoming part of the Kingdom of the Isles under Norwegian dominion, then the MacDougall subdivision of that kingdom after Somerled . Coll, like other Hebridean islands, has several crannógs (artificial islands) located in some of its lochs , dating from this early period. It
420-570: The clearances where many were removed from their land. In Coll, overpopulation was cited as a factor. In the 2011 census , the island's population was recorded as 195, representing an increase over the previous decade of nearly 19% During the same period Scottish island populations as a whole grew by 4% (to 103,702). In December 2013, Coll secured ' dark skies ' status, the second location in Scotland. The island has no street lights and little other light pollution , allowing unobstructed views of
448-456: The 1970s and are still thriving today. In 2010, a colony of short-necked oil beetles was found on the island. The beetle, thought to be extinct in the UK, is now known only to occur in southern England and Coll. It is parasitic on ground-dwelling bees, and is also flightless, raising the question of how it arrived on the island. It does not appear to be found on neighbouring Tiree , possibly because of
476-538: The Lord of the Isles. In 1549 Dean Monro wrote of Coll that it was: He wrote of Rum: In the 15th century, the island came under the ownership of the MacLeans of Coll who constructed Breachacha Castle . The MacLeans exercised baronial control of the island until 1848. The Maclean ownership of the castle was sold in 1851. In the late 18th century there were about 1,000 people supported by agriculture and fishing. However,
504-615: The collapse in the kelp market after the end of the Napoleonic Wars , followed by the Highland Potato Famine , caused a great deal of hardship on the island. By the mid 19th century, much of the population had chosen to leave, many of them moving to Australia, Canada, or South Africa in a process referred to as the Scottish diaspora . One source indicates that 23% of the island's population relocated. The process took place alongside
532-473: The community-led organisation Development Coll, the new facilities were built to provide much needed amenities on the island and a social hub for the local community. An Cridhe now hosts a series of annual events such as a half marathon, the Coll Show, a basking shark festival, a bird festival and a chamber music festival, as well as a range of music, comedy, theatre and dance throughout the year. The centre also has
560-501: The dispute between king John Balliol and Robert de Bruys (they had backed the former), the position of sheriff of Argyll was created to have shrieval authority over Lorn , and the MacDougall lands were merged into the Lordship of the Isles . Though MacDougall authority was restored in 1357, by king David II , the MacDougall heir had 3 years previously , quitclaimed any rights to Mull (including Coll), which therefore remained with
588-408: The east of the island. Quaternary sediments include raised beach deposits which are frequent around Coll's coastline whilst stretches of alluvium occupy some low inland areas. There are considerable areas of blown sand in the west and along stretches of the north coast and of peat southwest from Arinagour . Coll is about 13 miles (21 kilometres) long by 3 miles (5 kilometres) wide. It had
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#1732851475167616-492: The flights are a BN2 Islander (G-HEBS). Hebridean headquarters are at Cumbernauld Airport , North Lanarkshire . Agriculture, primarily land owned farming as opposed to crofting is one of the major employment areas on the island. There are also a few fishing vessels that operate from the island. The Isle of Coll's community centre, An Cridhe, and hostel, Coll Bunkhouse was opened in July 2012 by Princess Anne . Owned and managed by
644-408: The late 19th century. "Colluvium" is now generally understood as sediments produced by gravity-driven transport on steep slopes. At the same time, the definition of "alluvium" has switched back to an emphasis on sediments deposited by river action. There continues to be disagreement over what other sediment deposits should be included under the term "alluvium". Most alluvium is Quaternary in age and
672-649: The night sky on clear nights. In winter the Northern Lights are often visible. In January 2024, Coll experienced a 3.3 magnitude earthquake according to the British Geological Survey . There are only two main roads on Coll. The main hub of the island is the island's largest settlement, Arinagour. Just over a kilometre (0.7 miles) south of Arinagour is the Caledonian MacBrayne ferry terminal. The ferry travels from Oban to Coll to Tiree ; and
700-440: The rejection by geologists of the concept of a primordial universal flood, the term "diluvium" fell into disfavor and was replaced with "older alluvium". At the same time, the term "alluvium" came to mean all sediment deposits due to running water on plains. The definition gradually expanded to include deposits in estuaries, coasts, and young rock of marine and fluvial origin. Alluvium and diluvium were grouped as colluvium in
728-598: The southeast. Arinagour ( Scottish Gaelic : Àirigh nan Gobhar ), is the main settlement on the island located at the head of Loch Eatharna, on the east coast. Other inhabited locations include: Coll is sometimes derived from Gaelic coll , ' hazel '. However, the name is given as Colosus in the Life of St Columba by Adamnán , the seventh century abbot of Iona . As /s/ between vowels had been lost in Celtic before Adamnán's time, Watson suggests that Colosus may represent
756-527: The title Uig . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Uig&oldid=1195659337 " Categories : Disambiguation pages Place name disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Coll Coll ( / ˈ k ɒ l / ; Scottish Gaelic : Cola )
784-529: Was first defined in the French dictionary of Antoine Furetière , posthumously published in 1690. Drawing upon concepts from Roman law , Furetière defined alluvion (the French term for alluvium) as new land formed by deposition of sediments along rivers and seas. By the 19th century, the term had come to mean recent sediments deposited by rivers on top of older diluvium , which was similar in character but interpreted as sediments deposited by Noah's flood . With
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