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Event details

Voyage: IN2018_V08       [details]
When: 2019-01-02 09:57:47 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -37.6348 Longitude: 156.235 Position from underway logging
Sample number:IN2018_V08_D10_002
Dredge:10
Dredge Date:02/01/2019
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Sample sawn:Yes
Sawn sample photographed:Yes
Number of photos:3
Colour:grey-dark
Phenocryst mineralogy:feldspar | feromagnesian | altered
Phenocryst abundance (%):5
Phenocryst size range (mm):1-3
Groundmass:microcrystaline
Vesicle abundance:moderate (30-50%)
Sample bagged:yes
Sticker:yes
Bucket number:026
Rock name:vesicular feldspar-phyric basalt
Comments:vesicular (approx 40-50%), vesicles are large - up to 1cm in length, amygdales present - vesicles infilled with predominantly zeolites
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