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Event details

Voyage: IN2020_V01       [details]
When: 2020-03-02 17:53:36 UTC
Log: Geology_Rocks_in2020_v01
Equipment: Not specified
Position: Latitude: -33.1604 Longitude: 101.2345 Position from underway logging
Sample number:IN2020_V01_D20_001
Dredge:D20
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):yes, in IN2020_V01_D20_001
Number of photos:3
Sample sawn:Yes
Sticker:yes
Colour:grey-light | brown
Composition:mafic
Alteration:altered
Phenocryst abundance (%):10
Phenocryst size range (mm):4
Groundmass:microcrystaline | altered
Mn crust thickness (mm):0
Vesicle abundance:<10%
Vesicle Filling (%):100
Vesicle fill:Black and white minerals
Sample bagged:yes
Bucket number:1 of 5
Rock name:Moderately altered, porphyritic basalt
Original Sample Dimensions:11x10x6 cm
Comments:Plagioclase phenocrysts are clay altered, and others are pseudomorphed with muscovite. Minor fracturing.
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