GRD024FS0
RAMA7-Dr22-8(1)
Pyroxenite
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer D
coarse-grained
Very small cut sample measuring ~4.5x2.5x1 cm from the cut face. Dark green pyroxene with a white vein. Billet pieces. Original label: 28 November, 1980.
-
RAMA 7 Dredge 22
Pacific Ocean
Mariana Trench. Original: 11 29.7N, 142 11.6E to 11 30.1N, 142 11.2E. Depth: -7800 to -7680.
Latitude: 11.495°
Longitude: 142.193333°
-7740.0 m a.s.l.
N/A
Large orthopyroxene crystal; isotropic crystal in lower right corner
2.5
plane
Large orthopyroxene crystal; isotropic crystal in lower right corner
2.5
crossed
-
scan
crossed
GRD024FT0: Thin section is carbon-coated; 40% orthopyroxene, 40% clinopyroxene, 15% amphibole; minor amount (<10%) of feldspar and pink (ppl) isotropic mineral (sphalerite?); trace biotite (C. Eichler)
N/A
N/A