World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: URI [Contact the Curator]
Ship: Thomas G. Thompson
Cruise: TN273
Sample: TN273-39D
Device: dredge, rock
Latitude: 12.40999 to 12.415
Longitude: 143.94112 to 143.94104
Water Depth(m): 4100 to 3730
Date: 20120117 to 20120117
PI: Katherine Kelly
IGSN: URI900318
Storage: room temperature, dry

sediment. Pipe dredge 1/2 full of brown mud. Collected from a forearc rift, SE Mariana forearc rift, scarp south of shallower flat terrain.
1 :    IGSN URI900319  
Lithology/Mineralogy: sedimentary (detrital/fragmental or clastic), mudstone (lutite)
Comments: Sample TN273-39D-01-01. Rift bottom. sandy mudstone with friable pebble size siltstone fragments, 70% by volume clay + silt, 30% by volume sand size lithics and biogenics (planktonic foraminfera)