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Stratigraphy Of Kootenai In Montana, B. B. Jarrett

Bachelors Theses and Reports, 1928 - 1970

The Kootenai of Montana is a variable formation as far as composition is concerned. The formation consisting largely of a series of sandstones, shales, and shaly sandstones. The presence of the limestone and carbonaceous members being irregular indicating variable climatic conditions throughout the deposition of the sediments. The fresh water environment being confined to the western slope, while the central and the eastern portions had more swampy conditions with local fresh water depositions.