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What are Detritus sedimentary rocks subdivided according to?
Detrital sedimentary are classified according to the size and shape of their sediments.
Is greywacke organic detrital or chemical?
Greywacke is classified as a detrital sedimentary rock. It is primarily composed of sand-sized particles and is formed from the accumulation and lithification of sediment, which often includes fragments of other rocks and minerals. While it can contain organic material, its classification is based on its detrital nature rather than being organic or chemical in origin.
Detrital sedimentary rocks are classified (named) primarily on the basis of?
Detrital sedimentary rocks are primarily classified based on the size, shape, and composition of the sediment particles that compose them. Common classifications include sandstone (made of sand-sized particles), siltstone (silt-sized particles), and shale (clay-sized particles). The mineral composition, such as quartz or feldspar content, also plays a crucial role in their naming and classification.
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 three ways rocks are classified?
Detrital, Chemical, and Organic.
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.
Particle size is the primary basis for distinguishing among various detrital sedimentary rocks?
Detrital sedimentary rocks are classified based on the particle size of the grains they contain. These rocks include conglomerate, sandstone, and shale, with conglomerate having the largest particles, followed by sandstone and shale with finer particles. The size of particles in a detrital sedimentary rock can provide information about the environment in which the rock was formed.
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.
What are Detritus sedimentary rocks subdivided according to?
Detrital sedimentary are classified according to the size and shape of their sediments.
In what ways are detrital rocks organic rocks and chemical sedimentary rocks the same?
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What are detrital rocks?
They are rocks formed from pieces of pre-existing rocks or organic debris.
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.
Is greywacke organic detrital or chemical?
Greywacke is classified as a detrital sedimentary rock. It is primarily composed of sand-sized particles and is formed from the accumulation and lithification of sediment, which often includes fragments of other rocks and minerals. While it can contain organic material, its classification is based on its detrital nature rather than being organic or chemical in origin.
