Data Trawler - Event Details

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Event details

Voyage: IN2018_V08       [details]
When: 2018-12-29 05:07:59 UTC
Log: Geology_Rocks_in2018_v08
Equipment: Not specified
Position: Latitude: -39.9922 Longitude: 157.1653 Position from underway logging
Sample number:IN2018_V08_D01_013
Dredge Date:28/12/2018
Sample Number Assigned:Yes
Sample photographed (include scale and sample number):Yes
Sample sawn:Yes
Sawn sample photographed:Yes
Number of photos:8
Colour:black | grey-dark | red | brown
Alteration:Fresh | Mn crust | altered
Grain size:pebble (2-64 mm)
Grain shape:rounded
Components:scoria | volcanic non-vesicular
Phenocryst mineralogy:feldspar | altered
Phenocryst abundance (%):5
Phenocryst size range (mm):1
Groundmass:microcrystaline | altered
Vesicle abundance:low (<30%)
Sample bagged:yes
Bucket number:003
Rock name:polymictic volcanic conglomerate enclosed in a volcanic breccia
Comments:two stages of evolution, with a volcanic conglomerate included within a later stage volcanics
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