Estimation of maximum temperature of mudstone by two kinetic parameters; epimerization of sterane and hopane

Details Estimation of maximum temperature of mudstone by two kinetic parameters; epimerization of sterane and hopane Estimation of maximum temperature of mudstone by two kinetic parameters; epimerization of sterane and hopane

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984gecoa..48.2273s&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 48, Issue 11, pp.2273-2282

Physics

1

Scientific paper

A geochemical method for estimation of the maximum temperature of mudstones is proposed. The extents of epimerization of the sterane and the hopane are used. The temperature function is: where U = ln (1 - /0.54), V = ln (1 - /0.61), = 20 S -/20 S - + 20 R -24- ethyl -5 ( H ), 14 (H), 17 (H)-cholestane(C 29 -sterane) and = 22 S -/22 S - + 22 R -17 ( H ), 21 (H)-bishomohopane(C 32 -hopane). The value of dU / dV can be obtained from the tangent to the evolution curve in the U versus V . This temperature function is applicable to the temperature analysis in the range of 50°C-150°C.

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