Variations of modal composition of granitic rocks in some regions around the pacific |
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| Authors: | Adrew B Vistelius D N Ivanov Yochimasa Kuroda and Carlos Ruiz Fuller |
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| Institution: | (1) Laboratory of Mathematical Geology, Steklov’s Mathematical Institute, Academy of Sciences, USSR;(2) Tokyo University of Education, Japan;(3) Instituto Investigaciones Geologicas del Chile, Chile |
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| Abstract: | Granitic rocks from the Andes and from Japan, Kurile Islands, and Kamchatka have been investigated in their modal composition
determined. Principal components analysis of the data reveals that there is three main factors influencing variation of modal
composition of rocks that can be interpreted in forms of petrological processes. There is a similarity in results of the investigation
of rocks from Japan, Kamchatka, and Andean regions. |
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