Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10terrestrial organics:vascular plants: “humic”;cellulose, lignin, carbohydratesmarine/lacustrine organics:phytoplankton, zooplankton; “sapropel”;fats, resinous, waxyPeatLigniteSub-bituminousBituminousAnthraciteGraphiteH2OH:C ratioMethaneevolved80oC50oC20oC160oC240oCCoal Rankterrestrial organics:vascular plantsmarine organics:phytoplankton, zooplanktonmarineorganic matterkerogenpetroleumliquidsmethaneevolved120oC(decarbox-lyation)asphalt, bitumenH:C ratio60oC20oC90oC200oCcarbondioxide evolvedkmburied1.02.03.04.05.0“oil shale” - kerogenalkanes – paraffin, straight – chain hydrocarbonsaromatics – more soluble in water, smelly,
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