Fox Hills, Lower Hell Creek, Powder River Basin (12c)

Comments on Geologic Parameters

12c CO2 Solubility Brine: Formation Water Salinity:

The Fox Hills Sandstone typically has water-salinity values under 3,000 ppm (U. S. Geological Survey, 1996). Greatest salinity values occur in the deep, west and southwest parts of the basin.

12c 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.

U. S. Geological Survey, 1996, Ground water atlas of the United States: Segment 8: Montana, North Dakota, South Dakota, and Wyoming, p. 117.


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