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 STA39 RD53
Device: dredge, rock
Latitude: -39.54283
Longitude: 78.18233
Water Depth(m): 2180 to 2090
Date: 19960317
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: hummocky topography in center of axial valley, segment J2.
1 :   
Comments: Sample Type: Plg-phyric basalt. Mineralogy: Plagioclase. Weathering: Moderate. Glass condition: Some fresh glass and Mn/Fe oxide coatings. 1 sample bag. Probe glass taken. Subsampled by DG. Remaining glass to KJ. A small bag of station glass taken from dredge weight bag also included, sent to KJ. KN sampled whole rock and the remainder of it was placed in glass bag.a single, hand-size cobble of weatherered basalt with some thin glass rinds and coated with Fe/Mn oxide; some few plagioclase phenocrysts visible. Type 1 of this dredge.
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