GRD0294S0
CIRCE 93-E
Serpentinite
Unknown
None
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1
Ritter 154 › Cabinet 34 › Drawer B
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Thin-section only. Original label: Dark Red - Spinel? pecotite.
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CIRCE
Indian Ocean
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N/A
Olivine (upper left corner), pyroxene with zircon inclusions? (upper right corner), and unknown fibrous mineral (lower left). Serpentine veins between the crystals.
2.5
plane
Olivine (upper left corner), pyroxene with zircon inclusions? (upper right corner), and unknown fibrous mineral (lower left). Serpentine veins between the crystals.
2.5
crossed
The large, bright spots are pyroxene crystals.
scan
crossed
GRD0294T0: Complex thin section; Very large pyroxene crystal aggregates (many crystals have exsolution lamellae), serpentine, fibrous brown pleochroic mineral (deformed or serpentinized pyroxene?), small scattered opaques (typically concentrated along fractures), olivine crystals (typically present as inclusions in large crystals), possible zircon inclusions (with radiation halos) in the very large orthopyroxene, many fractures/veins of serpentine. (C. Eichler)
N/A
Fisher_GSABulletin_1971
Fisher, R.L., Sclater, J.G., McKenzie, D.P., 1971, Evolution of the Central Indian Ridge, Western Indian Ocean: Geological Society of America Bulletin, v. 82, no. 3, p. 553-562.