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: 004-ROVG
Device: grab, ROV
Latitude: 36.5535
Longitude: 25.5217
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
Glass/remarks:some samples exhibit fresh glass
Comments: Dense, light grey dacite/rhyolite pumice. Interior texture is fibrous due to broken and coalesced vesicles, biotite-bearing with defined fabric