GRD0298S0
CIRCE 93-I
Serpentinite
Unknown
None
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1
Ritter 154 › Cabinet 34 › Drawer B
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Large, oblong sample (~14x7x8 cm). Peach-colored matrix that becomes blue in the center. The sample has abundant blue and green serpentine veins, occasional small (~1 mm in diameter) magnetite crystals, and a patchy Fe-Mn crust. Billet and billet pieces.
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CIRCE
Indian Ocean
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N/A
Large opqaue crystal with two serpentine veins. The smaller vein (top) is surrounded by very small opaque crystals.
2.5
plane
Large opqaue crystal with two serpentine veins. The smaller vein (top) is surrounded by very small opaque crystals.
2.5
crossed
Note the large serpentine veins and opaque oxides in the thin section.
scan
crossed
GRD0298T0: Fine blue-grey to brown serpentine matrix with white serpentine veins; very small opaque crystals are concentrated along fractures and the rims of veins. Occasional large opaque crystals. (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.