World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: URI [Contact the Curator]
Ship: Thomas G. Thompson
Cruise: TN273
Sample: TN273-18D
Device: dredge, rock
Latitude: 12.2022 to 12.20732
Longitude: 143.86312 to 143.86422
Water Depth(m): 5056 to 4812
Date: 20120109 to 20120109
PI: Katherine Kelly
IGSN: URI900127
Storage: room temperature, dry

<1kg of sediment. Sediment rock (tuff). Collected from a forearc rift, SE Mariana forearc rift, NW-SE deformation fabric.
1 :    IGSN URI900128  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-18D-01-01. Brown tuff with Mn coating, 10 cm in diameter
2 :    IGSN URI900129  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Comments: Sample TN273-18D-01-02. Rift bottom. brown tuff with Mn coating, 5 cm in diameter