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Explain Organically formed sedimentary rocks ?fast exam going on |
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Answer» :-Organically formed sedimentary rocks:They are formed from the organic remains of plants and animals which have been buried and preserved for a LONG time called fossils limestone is non-clastic CONSISTS of calcium CARBONATE , limestone and chalk Carboneous rocks decayed vegetation matter buried in swamps accumulated in great thickness, because of pressure they lose most of minerals except carbon become PEAT, lignite or coal.Sedimentary rocks:Sedimentary rocks are formed from the existing rocks parent rocks and from organic SOURCES by the process of denudation and decomposition. |
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