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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-09 13:56:14 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -20.7571 Longitude: 154.4279 Position from underway logging |
| Sample number: | in2019_v04_D02-004 |
| Dredge: | D02 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | No |
| Sticker: | yes |
| Colour: | black | white | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] | pyroxene | other |
| Phenocryst abundance (%): | 20 |
| Phenocryst size range (mm): | 0.5-3 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 90 |
| Vesicle fill: | calcite |
| Alteration: | Fresh | Mn crust | altered |
| Sample bagged: | yes |
| Bucket number: | 03 |
| Rock name: | Pyroxene plagioclase phyric mafic rock |
| Requested: | UK |
| Comments: | Fresh plagioclase! |