GRD021SS0

RAMA7-Dr15-2(2)

Pyroxenite

Mesozoic › Jurassic › Late Jurassic
145.5 - 161.0

1

Ritter 154 › Cabinet 37 › Drawer B

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Large (~8 cm in diameter) dark green, fine-grained crystalline sample with tan limey crust. Billet pieces. Original label: 20 November, 1980.

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RAMA 7 Dredge 15

Pacific Ocean
Mariana Trench. Original: 11 39.6N, 142 11.1E to 11 40.2N, 142 10.8E. Depth: -5780 to -5500.
Latitude: 11.67°
Longitude: 142.18°
-5640.0 m a.s.l.

N/A

Glomerocryst of orthopyroxene with opaque inclusions

2.5

plane

Glomerocryst of orthopyroxene with opaque inclusions

2.5

crossed

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scan

crossed

GRD021ST0: Interstitial fine-grained plagioclase and pyroxene as well as larger euhedral plagioclase (albite twinning) and orthopyroxene crystals; some slight alteration on edges of larger pyroxenes; veins; trace opaques (C. Eichler)

N/A

N/A