Browsing Геология России by Subject "ACIDIC COMPOSITION"
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Browsing Геология России by Subject "ACIDIC COMPOSITION"
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(2001)Single crystal 40Ar/39Ar dating of K-feldspars from silicic volcanic rocks containing xenocrysts often yields a spectrum of ages slightly older than those of juvenile sanidine phenocrysts. In contrast, feldspars from thin, ...
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(1998)We propose that the fluid mechanics of magma chamber replenishment leads to a novel process whereby silicic magmas can acquire an important part of their chemical signatures. When flows of basaltic magma enter silicic magma ...
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