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EXPERIMENTAL-DETERMINATION OF MN-MG MIXING PROPERTIES IN GARNET, OLIVINE AND OXIDE

Abstract:

We have measured the mixing properties of Mn-Mg olivine and Mn-Mg garnet at 1300° C from a combination of interphase partitioning experiments involving these phases, Pt-Mn alloys and Mn-Mg oxide solid solutions. Activity coefficients of Mn dilute in Pt-Mn alloys at 1300° C/1 atm were measured by equilibrating the alloy with MnO at known fO2. Assuming that the log fO2 of the Mn-MnO equilibrium under these conditions is-17.80 (Robie et al. 1978), we obtain for γMn: logγMn = -5.25 + 3.67 XMn + 1...

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Publication status:
Published

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Publisher copy:
10.1007/BF00320977

Authors


Publisher:
Springer-Verlag
Journal:
CONTRIBUTIONS TO MINERALOGY AND PETROLOGY
Volume:
115
Issue:
4
Pages:
438-448
Publication date:
1994-02-05
DOI:
EISSN:
1432-0967
ISSN:
0010-7999
URN:
uuid:fc23e1a7-c8df-4d41-98b6-f95e65aa5572
Source identifiers:
163811
Local pid:
pubs:163811
Language:
English

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