Snowdon Hill Quarry is a 0.6 hectare

Hectare

The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

 geological Site of Special Scientific Interest on the western outskirts of Chard

Chard, Somerset

Chard is a town and civil parish in the Somerset county of England. It lies on the A30 road near the Devon border, south west of Yeovil. The parish has a population of approximately 12,000 and, at an elevation of , it is the southernmost and highest town in Somerset...

 in Somerset

Somerset

The ceremonial and non-metropolitan county of Somerset in South West England borders Bristol and Gloucestershire to the north, Wiltshire to the east, Dorset to the south-east, and Devon to the south-west. It is partly bounded to the north and west by the Bristol Channel and the estuary of the...

, notified in 1963.

The site shows rock exposures through the Upper Greensand and Chalk

Chalk

Chalk is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite plates shed from micro-organisms called coccolithophores....

 which contain fossil crustaceans which are both unique and exceptionally well-preserved and support study of palaeontology in Britain. The unit has been dated to the subdivision of the Chalk known as the Turrilites acutus Zone, named after one of the characteristic fossils.

External links

• English Nature website (SSSI information)