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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-11 01:46:27 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -20.8988 Longitude: 155.9122 Position from underway logging |
Sample number: | in2019_v04_D06_002 |
Dredge: | D06 |
Dredge Date: | 11/08/19 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 9 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-dark | white | brown |
Composition: | mafic |
Phenocryst mineralogy: | olivine[iddingsite] | glass[fresh] |
Groundmass: | altered |
Features: | volcanic brecciated |
Vesicle abundance: | 10-30% |
Alteration: | Mn crust | altered |
Grain size: | cobble (>64 mm) |
Grain shape: | angular |
Sorting: | poor |
Components: | volcanic vesicular |
Cement: | calcite | zeolite |
Sample bagged: | yes |
Bucket number: | 13 |
Rock name: | Olivine-phyric basalt breccia |
Requested: | UK | Monash |
Comments: | Mn curst <1 mm |