GRD022LS0
RAMA7-Dr17-7D
Serpentinite
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer B
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Medium-sized (~8x5.5x4 cm from the cut face) fine-grained light green with wispy thin veinlets and small patches of golden chrysotile (?) and magnetite crystals, Fe-Mn crust. Bumpy carapace. Billet pieces. Original label: 23 November, 1980.
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RAMA 7 Dredge 17
Pacific Ocean
Mariana Trench. Original: 11 24.8N, 142 09.41E to 11 25.1N, 142 09.3E. Depth: -9050 to -8730.
Latitude: 11.4133°
Longitude: 142.1566°
-8890.0 m a.s.l.
N/A
Fe-stained carbonate and opaques in fine-grained groundmass of serpentine and opaques
5.0
plane
Fe-stained carbonate and opaques in fine-grained groundmass of serpentine and opaques
5.0
crossed
-
scan
crossed
GRD022LT0: Groundmass of serpentine with interstitial opaques; large spots of carbonate. Other large spots of Fe-staining from opaques (C. Eichler)
N/A
N/A