GRD0293S0
CIRCE 93-D
Serpentinite
Unknown
None
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1
Ritter 154 › Cabinet 34 › Drawer B
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Light green-green matrix with cross-cutting blue veins. Billet and two billet pieces. Original label: 1968.
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CIRCE
Indian Ocean
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N/A
Olivine and a large fibrous crystal with inclusions of olivine in a matrix of serpentine
2.5
plane
Olivine and a large fibrous crystal with inclusions of olivine in a matrix of serpentine
2.5
crossed
-
scan
crossed
GRD0293T0: Very interesting (yet complex) thin section. ~60% serpentine, 25% fibrous brown pleochroic mineral (uniaxial?) (deformed or serpentinized pyroxene?), 10% small scattered opaques, 5% olivine crystals (typically present as inclusions in large crystals), occasional pyroxene. (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.