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: 12.94432 to 12.9447
Ship: Thomas G. Thompson Longitude: 143.59492 to 143.5976
Cruise: TN273 Water Depth(m): 2903 to 2885
Sample: TN273-02D Date: 20111228 to 20111228
Device: dredge, rock PI: Katherine Kelly
Storage: room temperature, dry IGSN: URI900039
Province: ridge crest

<1kg of lava. Two fist sized clasts plus small shards. Collected from a spreading center ridge axis, Mariana trough, area of smooth backscatter on west side of ridge axis.

Contact URI TN273 data at R2R
1 :    IGSN URI900040  
Lithology and Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Comments: Sample TN273-02D-01-01. Vesicular basalt
2 :    IGSN URI900041  
Lithology and Mineralogy: igneous (extrusive/volcanic), basalt
Comments: Sample TN273-02D-01-02. Bulk glass fragments
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