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US National Science Foundation Division of Ocean Sciences
Index to Marine and Lacustrine Geological Samples (IMLGS)

Repository: URI [Contact the Curator]
Ship: Nautilus
Cruise: NA007
Sample: 005-ROVG
Device: grab, ROV
Latitude: 36.5525
Longitude: 25.5209
Water Depth(m): 187
Date: 20100730
PI: Croff Bell, Katy
Storage: room temperature, dry
Province: trench, continental margin
1 :   
Lithology/Mineralogy: igneous (extrusive/volcanic), pumice/scoria
Weathering/Metamorphism: weathering - heavy
Glass/remarks:some samples exhibit fresh glass
Comments: Dense, light grey/white dacite/rhyolite pumice, biotite-bearing, fibrous with elongated coalesced vesicles, chaotic, surface of interior shows dark banding, unsure if this is compositional or due to alteration.
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More Information and How to Cite: doi:10.7289/V5H41PB8.

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