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Quantitative Classification of Igneous Rocks Based on Chemical and Mineral Characters, with a Systematic Nomenclature. By Whitman Cross Joseph P. Iddings Louis V. Pirsson Henry S. Washington, with an ...
The Journal of Geology, Vol. 46, No. 3, Part 2 (Apr. - May, 1938), pp. 505-520 (16 pages) A modified variation diagram for plotting groups of chemical analyses of ...
The Journal of Geology, Vol. 37, No. 7 (Oct. - Nov., 1929), pp. 712-716 (5 pages) A new equilibrium diagram for the system Or: Ab: An has been constructed on the basis of the feldspar content of a ...
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