National Geophysical Data Center (NGDC), NOAA Satellite and Information Service US National Science Foundation Division of Ocean Sciences
 NOAA > NESDIS > NGDC > MGGD > Marine Geology & Geophysics > Sample Index
privacy policy 
Home       Contacts       Map       Search       Resources      
Index to Marine and Lacustrine Geological Samples

Repository: URI Latitude: 12.75017 to 12.75313
Ship: Thomas G. Thompson Longitude: 143.75056 to 143.75346
Cruise: TN273 Water Depth(m): 2483 to 2233
Sample: TN273-42D Date: 20120118 to 20120118
Device: dredge, rock PI: Katherine Kelly
Storage: room temperature, dry IGSN: URI900341

<1kg of lava/sediment. Sediment and 1 rock in pipe dredge. Collected from a submarine arc, Mariana arc extension, steep cone between calderas 3 and 4.

Contact URI TN273 data at R2R
1 :    IGSN URI900342  
Lithology and Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass and remarks: some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-42D-01-01. Submarine arc. pillow basalt, porphyritic, vesicles 5% by volume 1-5mm in diameter, olivine <1% by volume 1-3mm in diameter, plagioclase <1% by volume 1-5mm in diameter, 1mm thick manganese crust, 4mm thick glassy rind, 13cm in size
2 :    IGSN URI900343  
Lithology and Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Glass and remarks: some samples with fresh glass & Mn/Fe oxide coatings
Comments: Sample TN273-42D-01-02. Submarine arc. pillow basalt, porphyritic, vesicles 5% by volume 1-5mm in diameter, olivine <1% by volume 1-3mm in diameter, plagioclase <1% by volume 1-5mm in diameter, 1mm thick manganese crust, 4mm thick glassy rind, fragments
3 :    IGSN URI900344  
Lithology and Mineralogy: sedimentary (pyroclastic), tuff, vitric (glass clasts)
Comments: Sample TN273-42D-02-01. Sandy mud, 40% sand size (40% vesicular, fresh glass; 60% planktonic foraminifera), 60% silt + clay
_