GRD020ES0
RAMA7-Dr12-5
Volcaniclastic Sediment
Mesozoic › Cretaceous › Late Cretaceous
65.5
-
99.6
2
Ritter 154 › Cabinet 37 › Drawer A
coarse-grained
Small (~4 cm) cut sample. Black (Mn?) nodules surrounded by palagonite rims in a coarse-grained matrix of green shards (altered olivine?). Possibly shell casts? Original label: 14 November, 1980.
-
RAMA 7 Dredge 12
Pacific Ocean
Philippine Trench. Original: 10 37.2N, 126 40.9E to 10 37.6N, 126 41.1E. Depth: -8935 to -8580.
Latitude: 10.62°
Longitude: 126.681667°
-8758.0 m a.s.l.
N/A
A portion of nodule with Fe-staining halo (palagonite?) (GRD020ET0)
2.5
plane
A portion of nodule with Fe-staining halo (palagonite?) (GRD020ET0)
2.5
crossed
Shards (GRD020ET0)
2.5
plane
Shards (GRD020ET0)
2.5
crossed
Fibrous crystal growth (clear), large clear angular clasts, nodule surrounded by Fe-staining halo (GRD020ET1)
2.5
plane
Fibrous crystal growth (grey), large clear angular clasts, nodule surrounded by Fe-staining halo (GRD020ET1)
2.5
crossed
GRD020ET0
scan
crossed
GRD020ET1
scan
crossed
GRD020ET0: Angular clasts (first order grey, no extinction patterns, clear rims, some Fe-staining, not a mineral?), large black nodule in corner of thin section, nodule surrounded by Fe-staining halo (C. Eichler)
GRD020ET1: Fibrous crystal growth (first order grey), large clear angular clasts of fresh glass, large black nodule in two corners of thin section, nodule surrounded by palagonite rims. (C. Eichler)
N/A
N/A