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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-10 20:43:17 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -21.0683 Longitude: 155.8704 Position from underway logging |
| Sample number: | in2019_v04_D04_026 |
| Dredge: | D04 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 8 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-light | white | brown | green |
| Composition: | mafic |
| Phenocryst mineralogy: | olivine[fresh] | altered |
| Groundmass: | microcrystaline |
| Features: | volcanic brecciated |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 70 |
| Vesicle fill: | calcite |
| Alteration: | Fresh | altered |
| Grain size: | pebble (2-64 mm) | cobble (>64 mm) |
| Grain shape: | mixture |
| Sorting: | poor |
| Components: | glass | crystals | volcanic non-vesicular |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 13 |
| Rock name: | poorly sorted olivine basalt clast breccia |
| Requested: | Monash |
| Comments: | Fresh basalt cobble |