World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
an international partnership


Repository: URI [Contact the Curator]
Ship: Trident
Cruise: TR-139
Sample: 33-D
Device: dredge, rock
Latitude: 73.0083
Longitude: 5.1833
Water Depth(m): 2700 to 3100
Date: 19730804
PI: Schilling
IGSN: URI002302
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean
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Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow olivine (ol)
Weathering/Metamorphism: weathering - moderate
Glass/remarks:some samples exhibit palagonitized glass & Mn/Fe oxide coatings
Comments: Mineraology questionable. other features: basalt fragments, some fresh glass, pebbles, mud