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Event details

Voyage: IN2019_V04       [details]
When: 2019-08-26 11:46:12 UTC
Log: Geology_Rocks_in2019_v04
Equipment: Not specified
Position: Latitude: -14.1971 Longitude: 159.678 Position from underway logging
Sample number:in2019_v04_D43-006
Dredge:D43
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Number of photos:3
Sample sawn:Yes
Sticker:yes
Colour:black | grey-light | brown
Composition:mafic
Alteration:Mn crust | altered
Phenocryst mineralogy:feldspar
Phenocryst abundance (%):15
Phenocryst size range (mm):1-3
Groundmass:crystalline
Vesicle abundance:10-30%
Vesicle Filling (%):40
Vesicle fill:Calcite
Sample bagged:yes
Bucket number:80
Rock name:Altered feldspar-phyric basalt
Comments:Clay-filled vein. Calcite infilled vesicles (40%?). Some px grains on top? Shiny against black background.
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