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Event details

Voyage: IN2020_V01       [details]
When: 2020-02-21 16:41:41 UTC
Log: Geology_Rocks_in2020_v01
Equipment: Not specified
Position: Latitude: -32.4966 Longitude: 101.9522 Position from underway logging
Sample number:IN2020_V01_D16_003
Dredge:D16
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):yes, in IN2020_V01_D16_003
Number of photos:6
Sample sawn:Yes
Sticker:yes
Colour:brown
Composition:mafic
Alteration:Mn crust | altered
Phenocryst abundance (%):40
Phenocryst size range (mm):2-7
Groundmass:microcrystaline | altered
Mn crust thickness (mm):5
Vesicle abundance:10-30%
Vesicle Filling (%):100
Vesicle fill:clay and other minerals
Sample bagged:yes
Bucket number:1 of 1
Rock name:Weakly altered vesicular plagioclase-phyric basalt
Original Sample Dimensions:14x9x6 cm
Comments:Coarser phenocrysts than D15_002 but otherwise similar in appearance. Minor plagioclase clots.
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