GRD021LS0
RAMA7-Dr14-1
Pumice
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer B
-
Large (~9 cm in diameter), cut light grey pumice with billet. Original label: 20 November, 1980.
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RAMA 7 Dredge 14
Pacific Ocean
Mariana Trench. 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 glomerocryst in pumice
2.5
plane
Plagioclase glomerocryst in pumice
2.5
crossed
-
scan
crossed
GRD021LT0: Crystal-poor pumice; minerals present: plagioclase (albite twinning; some glomerocrysts; some xtals have inclusions), clinopyroxene (C. Eichler)
N/A
N/A