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Event details
| Voyage: | IN2018_V08 [details] |
| When: | 2019-01-02 23:34:29 UTC |
| Log: | Geology_Rocks_in2018_v08 |
| Equipment: | Not specified |
| Position: | Latitude: -38.6887 Longitude: 155.1306 Position from underway logging |
| Sample number: | IN2018_V08_D11_022 |
| Dredge: | 11 |
| Dredge Date: | 03/01/2019 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Sample sawn: | Yes |
| Sawn sample photographed: | Yes |
| Number of photos: | 2 |
| Colour: | black | grey-dark | white |
| Composition: | mafic |
| Alteration: | altered |
| Grain size: | pebble (2-64 mm) | cobble (>64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | scoria |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | moderate (30-50%) |
| Sample bagged: | yes |
| Sticker: | yes |
| Bucket number: | 029 |
| Rock name: | volcanic breccia |
| Comments: | carbonate matrix. secondary infilling in vesicles. |