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That is correct. A detrital (or "clastic") sedimentary rock is formed by sediment grains that have been weathered and eroded by existing rocks and then deposited as layers.
sedimentary
Limestone is an example of a carbonate sedimentary rock.
There's an example of some beautiful sedimentary rock a little farther down the gorge.
Example sentences: Fossils are often found in sedimentary rock. It is easier to erode sedimentary rock than other forms of rock.
Detrital sedimentary rocks are rocks made from pre-existing rocks or debris. One example would be Limestone.
It can be. Some limestone is formed from the precipitation of calcite from saturated solutions, and is considered a chemical sedimentary rock. Other limestone that consists largely of the skeletal remains of marine organisms is considered bio-clastic, a cross between an organic and a detrital sedimentary rock. Typical detrital sedimentary rocks are those composed mostly of particles of pre-existing rock, although organic matter may be included; examples would be sandstone, shale, and conglomerate.
That is correct. A detrital (or "clastic") sedimentary rock is formed by sediment grains that have been weathered and eroded by existing rocks and then deposited as layers.
A calcitic stalactite.
Yes, sedimentary rocks can form through chemical processes. One example is the precipitation of minerals from solution, which occurs when dissolved ions in water bond together to form solid minerals. Another example is chemical weathering, where minerals in rocks are dissolved or altered by chemical reactions, leading to the formation of new minerals.
Chemical sedimentary rocks
breccia
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The detrital food web involves consuming a dead animal for example, a vulture. The decomposing remains of the carcass become nutrients for the soil, thus returning the minerals back into the ground, possibly nitrates would be involved in the process.
Shales: formed from silt and clay that have hardenedto form rock.Arenaceous: shale with large amounts of sandargillaceous: shale with large amounts of claycarbonaceous: shale with large amounts of coalcalcareous: shale with large amounts of limeandcalcium from shell life formssandstone: composed essentially of pressure-cemented grains of sand (quartz)conglomerate: composed of cemented pebbles intermixedwith sand- if the grains are angular, the rock istermed breccia.- if the rock is a glacial deposit, it is called tillite.Limestone: chemical sediment consisting primarily ofcalcite (calcium carbonate)dolomite: limestone in which some calcite has beenrepla
Diagram of holotrichia