World Data Service for Geophysics

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

doi:10.7289/V5H41PB8


Repository: SOEST [Contact the Curator]
Ship: Melville
Cruise: BMRG06MV
Sample: BMRG06MV STA74 RD71
Device: dredge, rock
Latitude: -37.055
Longitude: 78.23967
Water Depth(m): 1964 to 1915
Date: 19960329
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: small axial high in central valley at northern end of segment I1.
1 :   
Weathering/Metamorphism: weathering - fresh
Comments: Sample Type: Pillow basalt_Plg-phyric basalt. Mineralogy: Plagioclase and olivine. Weathering: Fresh. Glass condition: >50% fresh glass. 2 buckets.sampled for probe.subsampled by DG. 71-1 whole rock subsampled by KN. All remaining glass to KJ. unnumbered samples also includedGlassy plagioclase-phyric pillow basalt fragments with minor olivine. Type 1 of this dredge
2 :   
Weathering/Metamorphism: weathering - fresh
Comments: Sample Type: Sheet flow basalt_Plg-phyric basalt. Mineralogy: Plagioclase and olivine. Weathering: Fresh. Glass condition: >50% fresh glass. 2 buckets.Sampled for probe. Subsampled by DG. All remaining glass to KJ. unnumbered samples also included.Glassy plagioclase-phyric sheet flow basalt fragments with minor olivine. Type 1 of this dredge
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