GRD0268S0

ERDC08-27D-Y

Siltstone

Mesozoic › Cretaceous › Early Cretaceous › Aptian
112.0 - 125.0

1

Ritter 154 › Cabinet 37 › Drawer E

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Two cut pieces measuring ~8x3x3 cm and ~7x3x4 cm on cut faces. One uncut piece measuring ~9x6x3 cm. Tan fine-grained with rust-stained vugs (likely where Fe-crystals once were). Fe-Mn crust and dendritic oxide crystals on uncut sample. Original label: 28 March, 1975.

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ERDC Dredge 27

Pacific Ocean
Mariana Trench. Original: 11 26.4N, 142 10.4 to 11 26.2N, 142 09.0E. Depth: -8365 to -8300.
Latitude: 11.436667°
Longitude: 142.15°
-8333.0 m a.s.l.

N/A

Acicular feldspar and opaques in greenish matrix

5.0

plane

Acicular feldspar and opaques in greenish matrix

5.0

crossed

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scan

crossed

GRD0268T0: Set B: Half of the thin section is polished away. Acicular feldspar and occasional pyroxene crystals in greenish martix. Trace amount of opaques. (C. Eichler)

N/A

N/A