Data Trawler - Event Details

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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-04 02:08:57 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -40.5781 Longitude: 153.346 Position from underway logging
Sample number:IN2018_V08_D13_060
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:black | red | brown
Alteration:Mn crust | altered
Phenocryst mineralogy:feldspar
Phenocryst abundance (%):5-10
Phenocryst size range (mm):2
Groundmass:microcrystaline | altered
Vesicle abundance:low (<30%)
Sample bagged:yes
Bucket number:039
Rock name:Trachyandesite?
Comments:Orange rock, looks vaguely pillow-like. Orange infill of vesicles? Some scattered feldspar phenocrysts. Felted feldspar crystals in the groundmass. 0.5 cm thick Mn crust.
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