Lulsgate Quarry () is a 2¾ acre (1.13

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 ...

)

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 o ...

near the village of Felton,

North Somerset North Somerset is a unitary district in Somerset, South West England. Whilst its area covers part of the ceremonial county of Somerset, it is administered independently of the non-metropolitan county. Its administrative headquarters is in the ...

, notified in 1997. The site has an excellent exposure of an irregular unconformity surface lying between inclined Lower Carboniferous (

Dinantian Dinantian is the name of a series or epoch from the Lower Carboniferous system in Europe. It can stand for a series of rocks in Europe or the time span in which they were deposited. The Dinantian is equal to the lower part of the Mississippian s ...

) Black Rock

limestones Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when t ...

and flat-bedded

Upper Triassic The Late Triassic is the third and final epoch of the Triassic Period in the geologic time scale, spanning the time between Ma and Ma (million years ago). It is preceded by the Middle Triassic Epoch and followed by the Early Jurassic Epoch. ...

( Rhaetian) strata.English Nature citation sheet for the site
(accessed 12 July 2006)

References

Sites of Special Scientific Interest in North Somerset Sites of Special Scientific Interest notified in 1997 Quarries in Somerset {{Somerset-geo-stub