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: TN273-13D
Device: dredge, rock
Latitude: 12.5035 to 12.50552
Longitude: 143.17764 to 143.18262
Water Depth(m): 2762 to 2517
Date: 20111230 to 20111230
PI: Katherine Kelly
IGSN: URI900117
Storage: room temperature, dry
Province: ridge crest

27kg of lava. 1 large pillow and several small fist sized rocks. Collected from a seamount, Mariana trough, W side of large submarine volcano near trench.
1 :    IGSN URI900118  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Weathering/Metamorphism: weathering - moderate
Comments: Sample TN273-13D-01-01. Island arc. altered pillow basalts with black Mg coating and red-orange alteration
2 :    IGSN URI900119  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Weathering/Metamorphism: weathering - moderate
Comments: Sample TN273-13D-01-02. Island arc. altered pillow basalts with black Mg coating and red-orange alteration
3 :    IGSN URI900120  
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Weathering/Metamorphism: weathering - moderate
Comments: Sample TN273-13D-01-03. Island arc. altered pillow basalts with black Mg coating and red-orange alteration
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