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Lisa A


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January 1, 2015







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The porosity decreases to 10%. Metagenesis: Occurs at 250C right when the kerogen is going to change into oil or gas. Catagenesis is the most important stage, and is different for the three different types of kerogen. Three Types of Kerogen Type I (Algal): It is very rich in hydrogen, low in oxygen and contains lipids...
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It generates oil and is present in oil shales. Type II (Liptinic): It is made from algal detritus, phytoplankton and zooplankton. It has aliphatic compounds and more hydrogen than carbon. It can generate oil or gas. Type III (Humic): It has more carbon than hydrogen, and is rich in aromatic compounds...
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