EXTRACTABILITY OF HUMIC ACID FROM COALIFIED LOGS AS A GUIDE TO TEMPERATURES IN COLORADO PLATEAU SEDIMENTS
Journal Article
·
· Economic Geology and the Bulletin of the Society of Economic Geologists (U.S.)
Coalified logs in Triassic and Jurassic sediments of the Colorado Plateau were exposed to alkaline ground water. Extraction of humic acids under such conditions is temperature dependent. Study of residual humic acids in a suite of coalified logs has indicated that temperatures up to l2/sup o/C prevailed in the sediments. This maximum temperature corresponds with that to be expected from geothermal gradient and estimated from mineralogic evidence. (auth)
- Research Organization:
- U.S. Geological Survey, Washington, D.C.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-001596
- OSTI ID:
- 4158764
- Journal Information:
- Economic Geology and the Bulletin of the Society of Economic Geologists (U.S.), Journal Name: Economic Geology and the Bulletin of the Society of Economic Geologists (U.S.) Vol. Vol: 55; ISSN ECGLA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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