Sedimentary rocks are types of rock that are formed by the deposition and
subsequent cementation of that material at the Earth's surface and within bodies
Breccia is a clastic sedimentary rock that is composed of large (over two-
millimeter diameter) angular fragments. The spaces between the large fragments
Dec 15, 2014 ... Sedimentary rocks are formed from pre-existing rocks or pieces of once-living
organisms. They form from deposits that accumulate on the ...
Nonclastic sedimentary rocks form from chemical reactions, chiefly in the ocean.
Nonclastic and clastic sedimentary rocks are the only members of the rock ...
Sedimentary rock is one of the three main rock groups (along with igneous and
metamorphic rocks) and is formed in four main ways: by the deposition of the ...
Sedimentary rocks are made when sand, mud and pebbles get laid down in
layers. Over time, these layers are squashed under more and more layers.
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Introducing sedimentary rocks, second of the three great rock classes (along with
igneous and metamorphic rocks).
Sedimentary rocks form at or near the Earth's surface. Rocks made from particles
of eroded sediment are called clastic sedimentary rocks, rocks made from the ...
Sedimentary rocks are divided into two broad classes, detrital sedimentary rocks
and chemical sedimentary rocks as described below. Sedimentary rocks make ...