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 STA46 RD56
Device: dredge, rock
Latitude: -38.806
Longitude: 77.31933
Water Depth(m): 1932 to 1630
Date: 19960321
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: volcanic ridge along southwest flank of St. Paul Island.
1 :   
Weathering/Metamorphism: weathering - heavy
Comments: Sample Type: Ol-plg phyric basalt. Mineralogy: olivine+plagioclase. Weathering: Heavy. Glass condition: Notable Mn/Fe oxide coatings; no glass. 1 sample bag. No glass available. Piece cut for thin section. A few other small chips of weathered, plagioclase-phyric basalt from dredge 56 also included in sample bag as unnumbered samples; one thumbnail size pumice sample to DG~200 g chip of olivine/plagioclase phyric basalt with smooth, ~1/4 thick, hard Mn pavement.
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