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Geochemistry of water in the Fort Union Formation of the northern Powder River basin, southeastern Montana

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Geochemistry of water in the Fort Union Formation of the northern Powder River basin, southeastern Montana; 1980; OFR; 80-336; Lee, Roger W.

Summary

Shallow water in the coal-bearing Fort Union Formation of southeastern Montana was investigated to provide a better understanding of the geochemistry. Springs, wells less than 200 feet deep, and wells greater then 200 feet deep were observed to have different water qualities. Overall, the ground water exists as two systems: a mosaic of shallow, chemically dynamic, and localized recharge-discharge cells superimposed on a deeper, chemically static regional system. Water chemistry is highly variable in the shallow system, whereas sodium and bicarbonate waters characterize the deeper system. Within the shallow system , springs, and wells less than 200 feet deep show predominantly sodium and sulfate enrichment processes from recharge to [...]

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Author :
Roger W. Lee
Publisher :
U.S. Geological Survey,

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Type Scheme Key
local-index unknown ofr80336
local-pk unknown 23691
series unknown Open-File Report

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journalOpen-File Report
edition-
languageENGLISH
citationTypeReport

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