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Clastic rocks are sedimentary rocks consisting of bits and pieces of other rocks created by physical/mechanical weathering.
Non-clastic are also sedimentary rocks; however are absent bits and pieces of other rocks and are formed through chemical processes (e.g. hydrolysis, evaporation, precipitation, oxidation) or form out of organic material (e.g. coal, chalk).
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JudyClastic rocks are composed of fragments or grains of pre-existing rocks that have been compacted and cemented together, while non-clastic rocks are formed from the accumulation of biological or chemical sediments such as limestone or salt. Clastic rocks, like sandstone and shale, have a grainy texture, while non-clastic rocks, like limestone and dolomite, have a more crystalline appearance.
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What is the difference between a crystalline rock and a clastic rock?
Crystalline rocks are composed of interlocking mineral crystals that formed from a cooling liquid, such as magma or lava. Clastic rocks, on the other hand, are made up of broken fragments of pre-existing rocks (clasts) that have been compacted and cemented together.
What are the three categories of sedimentary rocks?
The three categories of sedimentary rocks are clastic, chemical, and organic. Clastic rocks form from the accumulation of weathered rock fragments, chemical rocks form from the precipitation of minerals from water, and organic rocks form from the remains of living organisms.
How do clastic rocks differ from non-clastic rocks in terms of process of formation?
Clastic rocks are formed by the accumulation and lithification of broken rock fragments, while non-clastic rocks are formed through processes like precipitation of minerals from solution or the accumulation of organic matter. Clastic rocks tend to have a more angular and fragmented texture, while non-clastic rocks often have a more crystalline or organic texture.
What does non-clastic mean?
Non-clastic refers to sedimentary rocks that are formed from the remains of plants and animals, as opposed to rocks that are formed from fragments of pre-existing rocks. Non-clastic rocks include limestone, chalk, and coal.
Is marble a clastic rock?
No, marble is not a clastic rock. It is a metamorphic rock that forms from the recrystallization of limestone. Clastic rocks are composed of fragments of pre-existing rocks or minerals that have been cemented together.
