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Low-temperature exsolution in refractory siderophile element-rich opaque assemblages from the Leoville carbonaceous chondrite
- Source :
- Earth and Planetary Science Letters. 110:67-75
- Publication Year :
- 1992
- Publisher :
- Elsevier BV, 1992.
-
Abstract
- The discovery is reported of opaque assemblages in the Leoville carbonaceous chondrite with both clear textural and chemical evidence of a major role for resolution and equilibration at relatively low temperatures in the formation of refractory siderophile element-rich assemblages. The observed phase compositions are used to bracket a previously inferred phase boundary in the Fe-Ni-Ru system. The first meteoritic occurrence of goldmanite is also reported.
- Subjects :
- Phase boundary
Opacity
Goldmanite
Geochemistry
Mineralogy
engineering.material
Geophysics
Space and Planetary Science
Geochemistry and Petrology
Chondrite
Carbonaceous chondrite
Phase (matter)
Earth and Planetary Sciences (miscellaneous)
engineering
Chemical composition
Geology
Refractory (planetary science)
Subjects
Details
- ISSN :
- 0012821X
- Volume :
- 110
- Database :
- OpenAIRE
- Journal :
- Earth and Planetary Science Letters
- Accession number :
- edsair.doi...........f09aa7b59b1d1899e4c78fa5bd184ed4