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
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 ...
Clastic sedimentary rocks form by weathering processes which break down rocks
into pebble, sand, or clay particles by exposure to wind, ice, and water. Clastic ...
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 ...
Sedimentary rock, rock formed at or near the Earth's surface by the accumulation
and lithification of sediment (detrital rock) or by the precipitation from solution at ...
Clastic sedimentary rocks are made up of pieces of other rocks. ... is composed of
rounded gravel, pebbles, cobbles, or boulders along with smaller rock pieces.
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Sedimentary rocks are divided into two broad classes, detrital sedimentary rocks
and chemical sedimentary rocks as described below. Sedimentary rocks make ...
Introducing sedimentary rocks, second of the three great rock classes (along with
igneous and metamorphic rocks).