GRD029CS0
CIRCE 93-3
Serpentinite
Cenozoic › Paleogene › Eocene › Early Eocene
48.6
-
55.8
1
Ritter 154 › Cabinet 34 › Drawer B
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Large (~8x11x9 cm from the cut face) sample glued to a red plastic dredge cap. Green serpentinite with large blue crystals, white veins with blue rims, and patches of chrysotile. Some magnetite crystals. The top of the sample looks like a thin layer (~0.5 cm) of carbonate-supported breccia. Original label: 21 August, 1968.
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CIRCE
Indian Ocean
Original: 12 25.5, 65 55.0 E. Depth: -3540 to -3880 to -3730.
Latitude: 12.425°
Longitude: 65.916667°
-3716.0 m a.s.l.
N/A
Olivine (upper left), pyroxene (lower left), and serpentine (right).
2.5
plane
Olivine (upper left), pyroxene (lower left), and serpentine (right).
2.5
crossed
The bright spots are clusters of pyroxene and olivine.
scan
crossed
GRD029CT0: Large, slightly altered pyroxene crystals in serpentine. Occasional small highly fractured olivine crystals and small serpentine-filled fractures. Few anhedral opaques. (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.