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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-08 09:57:21 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -46.2285 Longitude: 150.3225 Position from underway logging
Sample number:IN2018_V08_D16_042
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:grey-dark | brown
Composition:mafic
Alteration:Mn crust | altered
Grain size:sand and silt (<2 mm) | pebble (2-64 mm)
Grain shape:mixture
Sorting:poor
Components:volcanic non-vesicular
Phenocryst mineralogy:feldspar | pyroxene
Phenocryst abundance (%):5
Phenocryst size range (mm):1-3
Groundmass:microcrystaline
Sample bagged:yes
Sticker:yes
Bucket number:056
Rock name:poorly sorted polymictic volcanic breccia
Comments:2-3 cm Mn crust
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