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Chemical Analysis Of Igneous Rocks And Variation Diagrams Of Petrographic Provinces Of Montana, Frederick M. Hilpert
Chemical Analysis Of Igneous Rocks And Variation Diagrams Of Petrographic Provinces Of Montana, Frederick M. Hilpert
Bachelors Theses and Reports, 1928 - 1970
A total of 179 chemical analyses of igneous rocks are available for the state of Montana, but these analyses do not cover the entire state in a satisfactory manner. There has been an emphasis on the central part of the state, and an almost complete lack of interest in the southern portion of Montana.