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Absorption of iron by platinum capsules in high pressure rock melting experiments

Merrill, Russel B. and Wyllie, Peter J. (1973) Absorption of iron by platinum capsules in high pressure rock melting experiments. American Mineralogist, 58 (1-2). pp. 16-20. ISSN 0003-004X.

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Samples of hornblende eclogite (olivine basanite composition), containing 0.38 wt percent H_2O bound in amphibole, were sealed in Pt capsules, held above the liquidus at 1250°C, 10 kbar, in 1/2-inch piston-cylinder apparatus for various time periods, and then sectioned for microprobe analyses. The resultant liquids lost about half of their initial 14 wt percent FeO (total Fe as FeO) to the Pt capsule during an experiment of only thirty minutes duration, and lost 97 percent during a run lasting four hours. This rate is significantly greater than rates of iron loss reported previously, and can affect significantly the interpretation of experimental results in high temperature studies of basaltic and periodotitic compositions.

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Additional Information:© 1973 Mineralogical Society of America. Manuscript received May 25, 1972; accepted for publication, September 7, 1972. We thank Dr. Brian Mason for supplying a sample of the hornblende eclogite, and Dr. R. C. Newton for his critical review of this manuscript. Dr. A. T. Anderson kindly provided an analyzed sample of the S-12g basalt glass. We are grateful to the National Science Foundation for grant GA-32266X, to the Advanced Research Projects Agency for apparatus supplied under grant DAHC-15-67-C-0220, and to the Fannie and John Hertz Foundation for the fellowship held by R. B. Merrill.
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Advanced Research Projects Agency (ARPA)DAHC-15-67-C-0220
Fannie and John Hertz FoundationUNSPECIFIED
Issue or Number:1-2
Record Number:CaltechAUTHORS:20160210-133307803
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64378
Deposited By: Tony Diaz
Deposited On:10 Feb 2016 21:52
Last Modified:03 Oct 2019 09:37

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