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: Nautilus
Cruise: NA007
Sample: 035-RVOG
Device: grab, ROV
Latitude: 36.601
Longitude: 25.5641
Water Depth(m): 298
Date: 20100802
PI: Croff Bell, Katy
Storage: room temperature, dry
Province: trench, continental margin
1 :   
Lithology/Mineralogy: igneous (extrusive/volcanic), pumice/scoria
Weathering/Metamorphism: weathering - moderate
Glass/remarks:some samples with fresh glass & Mn/Fe oxide coatings
Comments: 3 pieces from top of cone 68 (dark in color); 7 cm long rounded pumice, rhyolite/dacite composition hydrothermally altered interior, defined fabric, biotite bearing
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