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: TN273-20D
Device: dredge, rock
Latitude: 12.3251 to 12.32701
Longitude: 143.70563 to 143.70615
Water Depth(m): 4131 to 3960
Date: 20120110 to 20120110
PI: Katherine Kelly
IGSN: URI900133
Storage: room temperature, dry

1kg of lava. One clast and small pieces in pipe dredge. Collected from a forearc rift, SE Mariana forearc rift, deep basin on west side.
1 :    IGSN URI900134  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, vesicular (>10% vesicles)
Comments: Sample TN273-20D-01-01. Rift bottom. vesicular basalt, vesicles 3-5 mm in diameter and 20% by volume, Mn coating and some brown sediment stuck to the exterior
2 :    IGSN URI900135  
Lithology/Mineralogy: sedimentary (chemical), Mn/Fe oxide crusts and nodules
Comments: Sample TN273-20D-02-01. Rift bottom. brown, fine grained sediment with black rock framents approximately 1 mm in diameter
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