Spinel peridotites (spinel dunites, dunite/wehrlite, spinel pyroxenites and olivine pyroxenites) xenoliths in alcaline basaltic lava, located NW of Valle Gran Rey.
These xenoliths are crosscut by a microvein network of glassy and cryptocrystalline material, with carbonate blebs.
These carbonate droplets represent a quenched liquid resulting from demixing of a carbonate-silicate melt.
References
- Eur. J. Mineral., 2002, 14, 891-904.
Mineral List
11 entries listed. 7 valid minerals.
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