NDLI: Can crystallization of olivine tholeiite give rise to potassic rhyolites?

Content Provider	Springer Nature Link
Author	Whitaker, Matthew L. Nekvasil, Hanna Lindsley, Donald H. McCurry, Michael
Copyright Year	2007
Abstract	Experiments were conducted to determine whether the rhyolites and basalts of the intraplate silica-saturated potassic suites could be genetically related through crystallization. Extreme crystallization (96–97%) of a high-MgO (10.62 wt%) olivine tholeiite from the Snake River Plain with an initial bulk water content of 0.4 wt% at a mid-crustal pressure of 4.3 kbar generated potassic rhyolitic liquids similar in major element chemistry to those found in the Quaternary rhyolite domes of the Snake River Plain and their plutonic equivalents in the Proterozoic Laramie Anorthosite Complex. Residual liquids comparable in composition to the bulk rock compositions of intermediate rocks found at the Craters of the Moon and Cedar Butte eruptive centers in the Snake River Plain are also generated along this crystallization path.
Starting Page	417
Ending Page	434
Page Count	18
File Format	PDF
ISSN	02588900
Journal	Bulletin of Volcanology
Volume Number	70
Issue Number	3
e-ISSN	14320819
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-06-20
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Crystallization Differentiation Potassic rhyolites Experimental Snake River Plain Tholeiite Basalt Sedimentology Mineralogy Geophysics/Geodesy Geology
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology

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Can crystallization of olivine tholeiite give rise to potassic rhyolites?—an experimental investigation