World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
an international partnership

doi:10.7289/V5H41PB8


Repository: URI [Contact the Curator]
Ship: Thomas G. Thompson
Cruise: TN273
Sample: TN273-12D
Device: dredge, rock
Latitude: 12.61655 to 12.59698
Longitude: 143.20051 to 143.237
Water Depth(m): 2790 to 3046
Date: 20111230 to 20111230
PI: Katherine Kelly
IGSN: URI900115
Storage: room temperature, dry
Province: ridge crest

<1kg of lava. Dredge came up empty - some chips of glass embedded in Pb WEIGHT. Collected from a seamount, Mariana trough, cone shaped edifice - western flank.
1 :    IGSN URI900116  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-12D-01-01. Island arc. many basaltic glass fragments <2 mm pulled from lead weight with tweezers. (Do not run for Pb)
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