Sedimentary organic matter

 Sedimentary organic matter includes the organic carbon component of sediments and sedimentary rocks. The organic matter is usually a component of sedimentary material even if it is present in low abundance (usually lower than 1%). Petroleum (or oil) and natural gas are particular examples of sedimentary organic matterCoals and bitumen shales are examples of sedimentary rocks rich in sedimentary organic matter.

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 Metasyntactic variable, which is released under the 
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