GRD021NS0
RAMA7-Dr14-4
Scoria
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer B
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Large (~8 cm in diameter) black-brown scoria. Vesicles become larger toward the center of the sample. Billet. Original label: 20 November, 1980.
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RAMA 7 Dredge 14
Pacific Ocean
Original: 11 48.9N, 142 10.1E to 11 49.3N, 142 10.1E. Depth: -4555 to -4220.
Latitude: 11.815°
Longitude: 142.168333°
-4387.0 m a.s.l.
N/A
Plagioclase and clinopyroxene in brown groundmass glass
5.0
plane
Plagioclase and clinopyroxene in brown groundmass glass
5.0
crossed
-
scan
crossed
GRD021NT0: Most abundant crystals: plagioclase (typically euhedral, but some are resorbed; albite and polysynthetic twinning), clinopyroxene; glomerocrysts of plagioclase and cpx; brown groundmass glass; one part has slightly darker glass and smaller vesicles (C. Eichler)
N/A
N/A