National Geophysical Data Center (NGDC), NOAA Satellite and Information Service US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples

Repository: URI Latitude: 12.73017 to 12.72923
Ship: Thomas G. Thompson Longitude: 143.43512 to 143.43926
Cruise: TN273 Water Depth(m): 2951 to 2897
Sample: TN273-07D Date: 20111229 to 20111229
Device: dredge, rock PI: Katherine Kelly
Storage: room temperature, dry IGSN: URI900083
Province: ridge crest

<1kg of lava. A few very tiny glass fragments in the burlap. Collected from a spreading center ridge axis, Mariana trough, steep slope perpendicular to spreading axis, just off of the center.

Contact URI TN273 data at R2R
1 :    IGSN URI900084  
Lithology and Mineralogy: igneous (extrusive/volcanic), basalt
Glass and remarks: some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-07D-01-01. Glass fragments, <2 mm, black
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