THE QUANTITATIVE-MINERAL COMPOSITION OF GRANITOIDS AND ITS IMPORTANCE FOR PROBLEMS OF PETROLOGY AND NOMENCLATURE

Autor:	I. M. Volovikova, S. V. Yefremova, O. P. Yeliseyeva, I. V. Ginzburg
Rok vydání:	1963
Předmět:	Mineral Diagram engineering Geochemistry Plagioclase Geology Mineral composition engineering.material Compositional data Petrology Quartz Nomenclature
Zdroj:	International Geology Review. 5:1123-1136
ISSN:	1938-2839 0020-6814
DOI:	10.1080/00206816309473862
Popis:	Compilations of mineral compositional data from several "classical regions of granitoid" rock in the U.S.S.R. are shown on triangular diagrams with quartz, K-feldspar, and plagioclase at the apices. Names, most of which are more or less according to general usage, are applied to different fields within the diagram. It is concluded that location within the compositions of rocks diagrams from the different massives indicate relationships between compositions and certain geological features of coeval masses and also reflects such things as assimilation, hybridization, and "degree of differentiation."--R. V. Dietrich.
Databáze:	OpenAIRE
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