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: 32-D
Device: dredge, rock
Latitude: 72.6083
Longitude: 3.375
Water Depth(m): 2990 to 3050
Date: 19730804
PI: Schilling
IGSN: URI002301
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean
1 :   
Lithology/Mineralogy: igneous (extrusive/volcanic), basalt, pillow
Weathering/Metamorphism: weathering - light
Glass/remarks:some samples exhibit palagonitized glass & Mn/Fe oxide coatings
Comments: Other features: aa, some greenish alteration, some fresh glass, gneiss and schists erratics