GRD023PS0
RAMA7-Dr19-13(1)
Volcaniclastic Sediment
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 37 › Drawer C
medium-grained
Cut medium (~4x2x10 cm) sample. Abundant subrounded lithic fragments in very fine-grained matrix. Patchy Fe-Mn crust on sample. Billet piece. Original label: 25 November, 1980.
-
RAMA 7 Dredge 19
Pacific Ocean
Mariana Trench. Original: 11 48.3N, 142 11.9E to 11 49.0N, 142 11.3E. Depth: -4440 to -4200.
Latitude: 11.805°
Longitude: 142.19833°
-4320.0 m a.s.l.
N/A
Large lithic fragment surrounded by pyroxenes in greenish groundmass
2.5
plane
Large lithic fragment surrounded by pyroxenes in greenish groundmass
2.5
crossed
-
scan
crossed
GRD023PT0: Altered; Abundant lithic fragments, lithic fragments appear to be mafic volcanics; occasional pyroxenes, amphibole, and opaques; Thin section is carbon-coated (C. Eichler)
N/A
N/A