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: 30-D
Device: dredge, rock
Latitude: 71.8167
Longitude: -0.34
Water Depth(m): 2500 to 2600
Date: 19730802
PI: Schilling
IGSN: URI002299
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean
1 :   
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Weathering/Metamorphism: weathering - moderate
Glass/remarks:some samples exhibit palagonitized glass & Mn/Fe oxide coatings
Comments: Other features: some greenish alteration, some fresh glass