GRD028JS0

CIRCE 82-5

Serpentinite

Cenozoic › Paleogene › Eocene › Early Eocene
48.6 - 55.8

2

Ritter 154 › Cabinet 34 › Drawer A

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Two cut samples and two uncut samples. Both sets look very different from one another. The uncut samples are green with fibrous green bands/veins (chrysotile?). The cut samples are pink-peach with green veins and blebs that appear to be fibrous/crystalline. Original label: 8 August, 1968.

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CIRCE

Indian Ocean
Original: 13 39.05, 66 06.0 E Depth: -3900 to -3600.
Latitude: 13.650833°
Longitude: 66.1°
-3750.0 m a.s.l.

N/A

Slide 1: Edge of the matrix (top) and the vein (bottom); pyroxene crystal between.

2.5

plane

Slide 1: Edge of the matrix (top) and the vein (bottom); pyroxene crystal between.

2.5

crossed

Slide 1

scan

crossed

Slide 2

scan

crossed

GRD028JT0: Slide 1: Large crystals of pyroxene, a large band/vein of serpentinite (?), and occasional small opaques in a very fine-grained matrix of serpentinite (?) (C. Eichler)

GRD028JT1: Slide 2: Large crystals of pyroxene and occasional small opaques in a very fine-grained matrix of serpentinite (?). Opaques are typically located along fractures. (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.