GRD028SS0
CIRCE 87-2B
Basalt
Cenozoic › Paleogene › Eocene › Early Eocene
48.6
-
55.8
1
Ritter 154 › Cabinet 34 › Drawer A
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Dark, fine-grained sparsely porphyritic basalt with occasional very small euhedral to subhedral crystals. Fe-Mn crust on sample. Billet. Original label: 14 August, 1968.
-
CIRCE
Indian Ocean
Original: 9 00.05, 67 17.0 E. Depth: -2050 to -1935.
Latitude: 9.00083°
Longitude: 67.283333°
-1975.0 m a.s.l.
N/A
Plagioclase-olivine glomerocryst with green-crystalline spheres
2.5
plane
Plagioclase-olivine glomerocryst with green-crystalline spheres
2.5
crossed
-
scan
crossed
GRD028ST0: Euhedral feldspar and subhedral (resorbed?) olivine glomerocrysts; some green spherical crystal growth/alteration; fine-grained very thin acicular feldspar crystals and opaques in grey groundmass. (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.