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Event details

Voyage: IN2019_V04       [details]
When: 2019-08-26 02:37:53 UTC
Log: Geology_Rocks_in2019_v04
Equipment: Not specified
Position: Latitude: -14.0369 Longitude: 159.647 Position from underway logging
Sample number:in2019_v04_D42-007
Dredge:D42
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Number of photos:5
Sample sawn:Yes
Sticker:yes
Colour:black | grey-dark
Composition:mafic
Alteration:Mn crust | altered
Phenocryst mineralogy:pyroxene | altered
Groundmass:microcrystaline
Vesicle abundance:<10%
Vesicle Filling (%):80
Vesicle fill:Calcite, Nn-oxide
Sample bagged:yes
Bucket number:78
Rock name:Altered feldspar-rich basalt
Comments:Cracks Fe2O3 altered. Greenish alteration on one side of the rock ~ 15mm long at rim
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