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They are rocks formed from pieces of pre-existing rocks or organic debris.
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What is a type of detrital sedimentary rock?
Detrital rocks are sedimentary rocks that are composed of particles of weathered and eroded igneous, metamorphic, or other sedimentary rocks that have been deposited, compacted, and cemented together. Sandstone, conglomerate, shale, and breccia are examples of detrital sedimentary rocks.
Which is true about how all detrital rocks form?
Detrital rocks form from the accumulation and cementation of sediment grains derived from the weathering and erosion of pre-existing rocks. The size, shape, and composition of the sediment grains help to identify the environment in which the detrital rock formed. Detrital rocks include sandstone, shale, and conglomerate.
What are detrital rocks formed from?
Detrital sedimentary rocks, also called clastic sedimentary rocks, are composed of rock fragments that have been weathered from pre-existing rocks. They are the most common rocks on the surface of the earth.
In what ways are detrital rocks organic rocks and chemical sedimentary rocks the same?
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What minerals are most common in detrital sedimentary rocks?
The most common minerals found in detrital sedimentary rocks are quartz, feldspar, and clay minerals. These minerals are often derived from the erosion and weathering of igneous and metamorphic rocks.
What is the name of a rock with sediments of other rocks?
These rocks are called detrital or clastic.
What is the main criterion for classifying detrital sedimentary rocks?
The main criterion for classifying detrital sedimentary rocks is the grain size of the particles they are composed of. Detrital sedimentary rocks are classified based on the size of the sediment particles, including categories such as conglomerate, sandstone, siltstone, and shale.
What criterion is used to subdivide the detrital sedimentary rocks?
nothing.
What are three ways rocks are classified?
Detrital, Chemical, and Organic.
What are the chief constituents of detrital sedimentary rocks?
quartz and clay
Do detrital sedimentary rocks have clastic textures?
Yes, detrital sedimentary rocks have clastic textures. Clastic textures are composed of fragments or grains derived from pre-existing rocks or minerals, which are then compacted and cemented together to form the new rock. Detrital sedimentary rocks, such as sandstone and shale, are formed through the deposition and lithification of these clastic particles.
What are sedimentary rocks such as sandstone that are formed from broken fragments from other rocks?
Clastic or detrital rocks, depending on size.
