World Data Service for Geophysics

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


Repository: SOEST [Contact the Curator]
Ship: Melville
Cruise: BMRG06MV
Sample: BMRG06MV STA72 RD70
Device: dredge, rock
Latitude: -37.165
Longitude: 78.4005
Water Depth(m): 1960 to 1740
Date: 19960329
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: northeast scarp and ridge high on margin of rift valley of segment I1.
1 :   
Comments: Sample Type: Plg-phyric basalt_Sheet flow basalt. Mineralogy: Plagioclase and olivine. Weathering: Light to moderate. Glass condition: >50% fresh glass and Mn/Fe oxide coatings. 1 sample bag. sampled for probe. 70-1 subsampled by DG. a small bag of station glass recovered from dredge weight bag also included. All sample to KJ.Plagioclase-phyric sheet flow glass pieces also containing olivine phenocrysts, and coated with Mn pavement. Type 1 (only type) of this dredge.