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Webster 1913 Edition


Sandstone

Sand′stoneˊ

,
Noun.
A rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand.
☞ Different names are applied to the various kinds of sandstone according to their composition; as, granitic, argillaceous, micaceous, etc.
Flexible sandstone
(Min.)
,
the finer-grained variety of itacolumite, which on account of the scales of mica in the lamination is quite flexible.
Red sandstone
,
a name given to two extensive series of British rocks in which red sandstones predominate, one below, and the other above, the coal measures. These were formerly known as the Old and the New Red Sandstone respectively, and the former name is still retained for the group preceding the Coal and referred to the Devonian age, but the term New Red Sandstone is now little used, some of the strata being regarded as Permian and the remained as Triassic. See the Chart of
Geology
.

Webster 1828 Edition


Sandstone

SAND'STONE

,
Noun.
[sand and stone.] Sandstone is, in most cases, composed chiefly of grains of quartz united by a cement, calcarious, marly, argillaceous, or even silicious. The texture of some kinds is loose, of others close; the fracture is granular or earthy.
Sandstones usually consist of the materials of older rocks, as granite, broken up and comminuted, and afterwards deposited again.

Definition 2024


sandstone

sandstone

English

Noun

sandstone (countable and uncountable, plural sandstones)

  1. A sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc.


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