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Influence of time on metamorphism of sedimentary organic matter in liquid-dominated geothermal systems, western North America.

Geology

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Abstract

Reflectance data of sedimentary organic matter samples from six liquid-dominated geothermal systems are strongly temperature-dependent. Geologic evidence indicates that reaction duration ranges from approx 103 to 106 yr in these systems that appear to have near-maximum temperatures. The strong temperature dependence of vitrinite reflectance indicates that after about 104 yr, reaction duration has little or no influence on metamorphism of organic matter in liquid-dominated geothermal systems. These data indicate that vitrinite reflectance can be used to determine the maximum temperature reached in hot sedimentary basins of moderate longevity. -after Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Influence of time on metamorphism of sedimentary organic matter in liquid-dominated geothermal systems, western North America.
Series title:
Geology
Volume
11
Issue:
7
Year Published:
1983
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geology
First page:
384
Last page:
388