GRD022WS0
RAMA7-Dr18-4(2)
Basalt
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer C
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Two small (~4x3x3 cm) cut samples. Light green-grey groundmass with white cross-cutting veins. Fe-Mn crust on sample. Original label: 25 November, 1980.
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RAMA 7 Dredge 18
Pacific Ocean
Mariana Trench. Original: 11 53.8N, 142 15.4E to 11 53.6N, 142 15.1E. Depth: -2225 to -2075.
Latitude: 11.8966°
Longitude: 142.2566°
-2150.0 m a.s.l.
N/A
Large orthopyroxene crystals with skeletal plagioclase in a matrix of fine-grained feldspars and pyroxenes
2.5
plane
Large orthopyroxene crystals with skeletal plagioclase in a matrix of fine-grained feldspars and pyroxenes
2.5
crossed
-
scan
crossed
GRD022WT0: All large minerals are resorbed; Large orthopyroxene crystals, skeletal plagioclase, matrix of fine-grained feldspars and pyroxenes; feldspar(?) veins; some veins cut through the large, resorbed crystals; green alteration? (C. Eichler)
N/A
N/A