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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-08 08:48:40 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -46.0126 Longitude: 150.3057 Position from underway logging
Sample number:IN2018_V08_D16_030
Dredge:16
Dredge Date:08/01/2019
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Sample sawn:Yes
Sawn sample photographed:Yes
Number of photos:2
Colour:black | white | red | brown
Composition:mafic
Alteration:Mn crust | altered
Grain size:pebble (2-64 mm)
Grain shape:mixture
Sorting:moderate
Components:volcanic non-vesicular
Phenocryst mineralogy:feldspar | pyroxene | altered
Phenocryst abundance (%):20
Phenocryst size range (mm):0.5-2
Groundmass:microcrystaline
Vesicle abundance:low (<30%)
Sample bagged:yes
Sticker:yes
Bucket number:048
Rock name:Feldspar pyroxene phyric basalt
Comments:Thin Mn crust (~1mm) on one side. Carbonate matrix. Monomictic volcanic breccia crust
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