World Data Service for Geophysics

Index to Marine and Lacustrine Geological Samples (IMLGS)
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Repository: LDEO [Contact the Curator]
Ship: Vema
Cruise: VM20 (V2009)
Sample: 005RD
Device: dredge, rock
Latitude: -18.8
Longitude: 78.15
Water Depth(m): 4934
Date: 19640909
Storage: room temperature, dry
1 :   
Description: This sample consists of numerous large black and black brown Mn oxide (pyrolucite or psilomelane) encrusted masses the size of cobbles and small boulders (ranging from 3 cm, 2 cm, 2 cm to large slabs 20 cm x 7 cm x 10 cm and boulders 15 cm x 10 cm x 15 cm