University of Texas at Austin

Fox Hills, Lower Hell Creek, Powder River Basin (13)

Comments on Geologic Parameters

13 Rock/Water Reaction:

Data on rock/water reaction were provided by Henderson (1985). These data are in tabular form and in Stiff diagrams, indicating that coalification processes along the Lance-Fox Hills contact may provide preexisting influxes of CO2 in the basin. Complex mineralogy, including plagioclase and interbedded coal and suggesting the potential for mineral reaction with high CO2 brines, is moderate to high.

13 Reference:

Henderson, T., 1985, Geochemistry of ground-water in two sandstone aquifer systems in the northern Great Plains in parts of Montana and Wyoming: U. S. Geological Survey, Professional Paper 1402-C, p. C1-C84.

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