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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-13 13:06:50 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -19.2266 Longitude: 155.4586 Position from underway logging |
| Sample number: | in2019_v04_D12_009 |
| Dredge: | D12 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | red | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | pyroxene |
| Grain size: | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | mixture |
| Sorting: | poor |
| Sample bagged: | yes |
| Bucket number: | 24 |
| Rock name: | Highly altered volcanic breccia with thick Mn crust. Shiny black crystal on jutting out piece of rock. 90 mm Mn crust |
| Comments: | Difficulty to identify materials in mineralogy |