GRD024US0
RAMA7-Dr22-10H
Schist
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer D
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Two small (both measuring ~5x5x2.5cm from the cut faces). Exterior of the sample appears to be limey with occasional small muscovite patches. Interior has some grey patches and glaucophane(?) Billet pieces. Original label: 28 November, 1980
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RAMA 7 Dredge 22
Pacific Ocean
Mariana Trench. Original: 11 29.7N, 142 11.6E to 11 30.1N, 142 11.2E. Depth: -7800 to -7680.
Latitude: 11.495°
Longitude: 142.193333°
-7740.0 m a.s.l.
N/A
Micas? in cross-section
5.0
plane
-
5.0
crossed
-
scan
crossed
GRD024UT0: Thin section is carbon-coated; Abundant thin micas (cut in cross-section?) and blocky, fractured feldspars (C. Eichler)
N/A
N/A