GRD01Z6S0
RAMA7-Dr7-1
Andesite
Mesozoic › Cretaceous › Late Cretaceous
65.5
-
99.6
1
Ritter 154 › Cabinet 37 › Drawer A
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Small cut sample of a greenish extrusive rock. Original label: 9 November, 1980.
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RAMA 7 Dredge 7
Pacific Ocean
Philippine Trench. Original: 10 37.2N, 126 32.5E to 10 36.9N, 126 32.2E. Depth: -9335 to -9100.
Latitude: 10.536667°
Longitude: 126.541667°
-9217.0 m a.s.l.
N/A
Plagioclase and opaque oxides in greenish matrix
5.0
plane
Plagioclase and opaque oxides in greenish matrix; Oscillatory zonation in largest plagioclase
5.0
crossed
-
scan
crossed
GRD01Z6T0: 80% plagioclase (albite twinning and oscillatory zonation; most are fractured), 5% pyroxene, 5% olivine, 5% opaque oxides, 5% green matrix; feldspar rim around sample (C. Eichler)
N/A
N/A