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Event details

Voyage: IN2020_V01       [details]
When: 2020-03-04 10:05:41 UTC
Log: Geology_Rocks_in2020_v01
Equipment: Not specified
Position: Latitude: -32.4059 Longitude: 109.4132 Position from underway logging
Sample number:IN2020_V01_D21_029
Dredge:D21
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):yes, in IN2020_V01_D21_029
Number of photos:3
Sample sawn:Yes
Sticker:no
Colour:grey-dark
Composition:mafic
Alteration:Mn crust | altered
Phenocryst abundance (%):0
Groundmass:microcrystaline
Mn crust thickness (mm):<1
Vesicle abundance:absent
Sample bagged:yes
Bucket number:4 of 4
Rock name:subtly altered aphanitic basalt
Original Sample Dimensions:21x14x13
Comments:magnetic; moderate fracturing filled with white and clay minerals
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