GRD0229S0
RAMA7-Dr17-2
Gabbro
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer B
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Black crystalline sample. ~7x3 cm on the cut face. Billet pieces. Largest crystals are amphibole, interstital white crystals. Original label: 23 November, 1980.
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RAMA 7 Dredge 17
Pacific Ocean
Mariana Trench. Original: 11 24.8N, 142 09.41E to 11 25.1N, 142 09.3E. Depth: -9050 to -8730.
Latitude: 11.4133°
Longitude: 142.1566°
-8890.0 m a.s.l.
N/A
Large amphibole with smaller interstitial feldspar and Fe-oxides
5.0
plane
Large amphibole with smaller interstitial feldspar and Fe-oxides
5.0
crossed
-
scan
crossed
GRD0229T0: 50% green and brown hornblende; 30% feldspar, 10% opaque oxide, 10% biotite; Thin section carbon coated (C. Eichler)
N/A
N/A