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 STA51 RD60
Device: dredge, rock
Latitude: -38.95917
Longitude: 78.1065
Water Depth(m): 2100 to 1855
Date: 19960322
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: 200 m cone in neovolcanic zone of segment J1.
1 :   
Weathering/Metamorphism: weathering - fresh
Comments: Sample Type: Plg-phyric basalt. Mineralogy: Plagioclase. Weathering: Fresh. Glass condition: >50% fresh glass and Mn/Fe oxide coatings. 2 buckets.60-1 thru 60-3 subsampled by DG and for probe. Remainder of glass to KJ. 60-1 whole rock sampled by KN. Bag of unumbered samples also. Samples placed in 2 buckets.Type 1 of this dredge. Fresh, glassy plagioclase-phyric lavas with plagioclase in glass and rocks.
2 :   
Comments: Sample Type: Plg-phyric basalt. Mineralogy: Plagioclase. Weathering: Light to moderate. Glass condition: Some glass and Mn/Fe oxide coatings. 2 buckets.Subsampled for probe. Remainder of glass to KJ. Bag of unumbered samples also. Samples placed in 2 buckets.Lightly to moderately altered plagioclase-phyric lavas with plagioclase in glass and rocks. Type 2 of this dredge.
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