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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-03 12:39:52 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -39.6379 Longitude: 153.9213 Position from underway logging
Sample number:IN2018_V08_D12_012
Dredge:12
Dredge Date:03/01/2019
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Sample sawn:Yes
Sawn sample photographed:Yes
Number of photos:2
Colour:grey-light
Composition:mafic
Alteration:Mn crust
Phenocryst mineralogy:feldspar | pyroxene
Phenocryst abundance (%):15
Phenocryst size range (mm):0.5-1
Groundmass:microcrystaline | altered
Vesicle abundance:low (<30%)
Sample bagged:yes
Sticker:yes
Bucket number:032
Rock name:feldspar pyroxene phyric basalt
Comments:manganese crust, iron oxide present, flow aligned mineralisation, veins present - clay filled
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