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Event details

Voyage: IN2018_V08       [details]
When: 2018-12-31 01:45:20 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -36.36917 Longitude: 159.952

- entered into Elog as 36° 022.15, 159° 057.12
Sample number:IN2018_V08_D03_012
Dredge:03
Dredge Date:31/12/2018
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 | grey-light
Composition:mafic
Alteration:Mn crust | altered
Phenocryst mineralogy:feldspar
Phenocryst abundance (%):5
Phenocryst size range (mm):<1.5
Groundmass:microcrystaline
Vesicle abundance:low (<30%)
Sample bagged:yes
Sticker:yes
Bucket number:015
Rock name:altered basalt
Comments:some larger feldspar phenocrysts
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