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 STA40 RD11
Device: dredge, rock
Latitude: 30.89167
Longitude: 139.50317
Water Depth(m): 1475 to 1210
Date: 19840624
Storage: room temperature, dry

Sumisu Rift
1 :   
Comments: 13 bags (~650 lbs), bag 13 is lab samples, bag 10 is least altered samples. Most of dredge consists of altered volcanic rock with thick Mn crusts on them (up to 3/4 inch). Some samples are altered all the way through, others have moderately fresh interiors. Fresh interiors are from gray to black basalt with plagioclase microphenocrysts and small vesicles. 22 buckets of samples some labeled