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Event details
| Voyage: | IN2018_V08 [details] |
| When: | 2019-01-03 02:05:27 UTC |
| Log: | Geology_Rocks_in2018_v08 |
| Equipment: | Not specified |
| Position: | Latitude: -39.068 Longitude: 154.7906 Position from underway logging |
| Sample number: | IN2018_V08_D11_033 |
| 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 | red | brown | yellow | green |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | altered |
| Phenocryst abundance (%): | 3 |
| Phenocryst size range (mm): | 0.3 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | high (>50%) |
| Sample bagged: | yes |
| Sticker: | yes |
| Bucket number: | 028 |
| Rock name: | altered vesicular basalt |
| Comments: | Thick 5 cm Mn crust |