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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-04 10:16:20 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -41.3828 Longitude: 152.3868 Position from underway logging
Sample number:IN2018_V08_D14_008
Dredge:014
Dredge Date:04/01/2019
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Sample sawn:Yes
Sawn sample photographed:Yes
Number of photos:3
Colour:grey-dark | brown
Composition:mafic
Alteration:Mn crust | altered
Grain size:pebble (2-64 mm)
Grain shape:rounded
Sorting:poor
Components:volcanic non-vesicular
Phenocryst mineralogy:feldspar
Phenocryst abundance (%):20
Phenocryst size range (mm):1
Groundmass:microcrystaline
Vesicle abundance:low (<30%)
Sample bagged:yes
Sticker:yes
Bucket number:042
Rock name:Volcanic conglomerate with basalt clasts
Comments:Mn crust 0.5-2cm, Feldspar-phyric basalt clasts, volcanic section on this entry describes the clasts.
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