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 STA29 RD47
Device: dredge, rock
Latitude: -40.553
Longitude: 78.14117
Water Depth(m): 2900 to 2790
Date: 19960310
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: Small ridge within axial valley.
1 :   
Weathering/Metamorphism: weathering - fresh
Comments: Sample Type: Aphyric basalt. Mineralogy: Very sparse plagioclase. Weathering: Fresh to lightly altered.. Glass condition: >50% fresh glass. 3 buckets. KJ and DG have samples of 47-1 thru 47-6 and bulk glass. Probe glass taken from all six samples. KN subsampled 47-3.Type 1 of this dredge. Fresh to lightly altered, glassy, aphyric pillow basalts . Some with squeeze out features.
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