World Data Service for Geophysics

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


Repository: SOEST [Contact the Curator]
Ship: Melville
Cruise: BMRG06MV
Sample: BMRG06MV STA35 RD51
Device: dredge, rock
Latitude: -40.2115
Longitude: 78.6285
Water Depth(m): 3398 to 3130
Date: 19960312
PI: Kevin Johnson
Storage: room temperature, dry
Province: rise or ridge, aseismic ocean

Southeast Indian Ridge; Sampling locale: Small peak on central high within axial valley, tip of propagator segment J2.
1 :   
Weathering/Metamorphism: weathering - moderate
Comments: Sample Type: Ol-plg phyric basalt_Pillow basalt. Mineralogy: Plagioclase, olivine. Weathering: Moderate. Glass condition: Some fresh glass. 1* bucket. Sample was marked and placed in van. Also a small piece was placed in a bucket. Subsampled by KN, DG, KJ and probe glass.Plagioclase and olivine phyric ~80 kg pillow basalt with some plagioclase megacrysts.Sample is moderately weathered. Type 1 of this dredge.