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The olivine-ilmenite thermometerIt is noted that the partitioning of Fe(2+) and Mg between olivine and ilmenite is temperature-dependent and can serve as a geothermometer if the activity-composition relations are determined. The paper reports on the study of the partitioning from 700-980 C at 1 kbar and 800-900 C at 13 kbar, and develops a solution model to account for the nonideality of olivine in the binary system fosterite-fayalite and for ilmenite in the ternary system ilmenite-geikielite-hematite. A comparison with crystallization experiments shows that this thermometer may be safely extrapolated to temperatures higher than those of the exchange experiments.
Document ID
19800039410
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Andersen, D. J.
(State Univ. of New York Stony Brook, NY, United States)
Lindsley, D. H.
(New York, State University Stony Brook, N.Y., United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1979
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Lunar and Planetary Science Conference
Location: Houston, TX
Start Date: March 19, 1979
End Date: March 23, 1979
Accession Number
80A23580
Funding Number(s)
CONTRACT_GRANT: NSF EAR-76-22129
CONTRACT_GRANT: NGL-33-015-130
Distribution Limits
Public
Copyright
Other

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