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grit
grit The Salt Cellar, a gritstone tor located on Derwent Edge, towers above part of the Peak District, Derbyshire, England.

grit

rock
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clastic rock

grit, sedimentary rock that consists of angular sand-sized grains and small pebbles. The term is roughly equivalent to the term sandstone (q.v.).

This article was most recently revised and updated by Amy Tikkanen.