Oligocene, Gulf Coast, Gulf of Mexico (13)

Comments on Geologic Parameters

13 Rock/Water Reaction:

The Frio Formation is one of the most mineralogically immature and reactive units in our study. Composition of anorthite (20 percent) and K-feldspar (30 percent) (Land and Macpherson, 1992) reflects high volcanic input into the sedimentary environment. This unit has high potential for reacting with high CO2 brine.

13 Reference:

Land, L. S., and Macpherson, G. L., 1992, Origin of saline formation waters, Cenozoic section, Gulf of Mexico sedimentary basin: American Association of Petroleum Geologists Bulletin v. 76, p. 1344–1362.

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