World Data Service for Geophysics

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


Repository: SOEST [Contact the Curator]
Ship: Kana Keoki
Cruise: KK840428-03
Sample: KK840428 STA41 RD12
Device: dredge, rock
Latitude: 30.9615
Longitude: 139.73483
Water Depth(m): 1910
Date: 19840624
Storage: room temperature, dry

Sumisu Rift
1 :   
Comments: ~ 600 lbs 12 bags, bag #12 is lab samples. Fresh, vesicular, olivine-plagioclase phyric basalt. Olivine phenocrysts are more abundant than plagioclase. The percentage of phenocrysts and vesicularity are variable from one hand sample to another.