Bleadon Hill
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Bleadon Hill () is a 13.52
hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is a ...
geological Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
just north of the village of
Bleadon Bleadon is a village and civil parish in Somerset, England. It is about south of Weston-super-Mare and, according to the 2011 census, has a population of 1,079. History Bleadon was listed in the Domesday Book of 1086 as ''Bledone'', meaning 'c ...
,
North Somerset North Somerset is a unitary authorities of England, unitary district in Somerset, South West England. Whilst its area covers part of the Ceremonial counties of England, ceremonial county of Somerset, it is administered independently of the non ...
, notified in 1999. The site is a
Geological Conservation Review The Geological Conservation Review (GCR) is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological a ...
site, as it shows a low ridge of
calcite Calcite is a Carbonate minerals, carbonate mineral and the most stable Polymorphism (materials science), polymorph of calcium carbonate (CaCO3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on ...
-cemented
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
sand and gravel on its southern side. Various marine or glacial origins have been postulated for the sediments and it has even been suggested that this is a
Mesozoic The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceo ...
beach conglomerate. On the basis of the sedimentology, it is most likely that these sediments accumulated during the
Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...
when an ice sheet rested against Bleadon Hill.
English Nature citation sheet for the site
(accessed 9 July 2006)
There is evidence or agricultural use of the land in the
medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the Post-classical, post-classical period of World history (field), global history. It began with t ...
period and possibly from
Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...
times.


References

{{SSSIs Avon geological Hills of Somerset History of Somerset Sites of Special Scientific Interest in North Somerset Sites of Special Scientific Interest notified in 1999