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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-04 02:36:19 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -40.5781 Longitude: 153.347 Position from underway logging
Sample number:IN2018_V08_D13_065
Dredge:13
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:2
Colour:grey-light
Composition:mafic
Alteration:altered
Phenocryst mineralogy:feldspar
Phenocryst abundance (%):1
Phenocryst size range (mm):2
Groundmass:microcrystaline
Vesicle abundance:low (<30%)
Sample bagged:yes
Sticker:yes
Bucket number:039
Rock name:Sparsely feldspar-phyric basalt
Comments:One ferromagnesian crustal that is altered to iron oxide minerals and Mn minerals
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