World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: URI [Contact the Curator]
Ship: Nautilus
Cruise: NA007
Sample: 023-ROVG
Device: grab, ROV
Latitude: 36.5925
Longitude: 25.5322
Water Depth(m): 211
Date: 20100801
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: Large pumice; interior- tan to light orange pumice, few vesicles, all elongate, and near outer rim of pumice; very soft interior, easily scraped; exterior- bio-encrusted (sponge, worms, red crust)