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Sedimentary organic matter : ウィキペディア英語版 | Sedimentary organic matter
Sedimentary organic matter includes the carbonaceous 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 matter''. Coals and bitumen shales are examples of sedimentary rocks rich in ''sedimentary organic matter''. ==Origin== Organic matter is essentially synthesized from mineral carbon (CO2) by autotroph organisms living at the boundaries between the geosphere, the atmosphere and the biosphere.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sedimentary organic matter」の詳細全文を読む
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