GRD01ZNS0
RAMA7-Dr12-2
Andesite
Mesozoic › Cretaceous › Late Cretaceous
65.5
-
99.6
1
Ritter 154 › Cabinet 37 › Drawer A
-
Cut, small (~4 cm), dark green, very fine-grained. Lighter rim around edge of sample (alteration?). Patchy Fe-Mn crust on sample. Billet pieces. Original label: 14 November, 1980.
-
RAMA 7 Dredge 12
Pacific Ocean
Philippine Trench. Original: 10 37.2N, 126 40.9E to 10 37.6N, 126 41.1E. Depth: -8935 to -8580.
Latitude: 10.62°
Longitude: 126.681667°
-8758.0 m a.s.l.
N/A
Plagioclase glomerocryst in fine-grained matrix
10.0
plane
Plagioclase glomerocryst in fine-grained matrix; albite twinning
10.0
crossed
-
scan
crossed
GRD01ZNT0: Very small feldspar, pyroxene, and opaque oxide crystals; occasional slightly larger plagioclase (albite twinning) glomerocrysts (C. Eichler)
N/A
N/A