Minor elements in Marjalahti olivine

Details Minor elements in Marjalahti olivine Minor elements in Marjalahti olivine

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984metic..19...79r&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 19, June 30, 1984, p. 79-83.

Computer Science

3

Abundance, Chemical Analysis, Lunar Composition, Mineralogy, Olivine, Calcium Oxides, Chromium Oxides, Electron Probes, Manganese Oxides, Nickel, Titanium Oxides, Meteorites, Samples, Meteorite, Minor Elements, Mineralogy, Olivine, Microprobe Analysis, Composition, Calcium, Chromium, Zoning, Nickel, Procedure, Techniques, Titanium, Manganese, Data

Scientific paper

Precise microprobe determinations of minor elements in olivine from Marjalahti show averages of 0.0267 percent CaO; 0.0211 percent Cr2O3; less than 0.0045 percent TiO2; 0.288 percent MnO; and 30 ppm Ni. The calcium is as high as in some terrestrial plutonic olivines (e.g. Stillwater) but lower than in terrestrial nodule (high-temperature mantle?) olivines, consistent with very slow cooling to low temperatures. The chromium is discrepant with some earlier determinations, and possibly chromium is zoned in most pallasitic olivines. The Ti, Mn, and Ni data are consistent with previous determinations.

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