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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-28 23:21:22 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.2653 Longitude: 159.1446 Position from underway logging |
| Sample number: | in2019_v04_D48_022 |
| Dredge: | D48 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | brown | yellow |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | olivine[iddingsite] |
| Phenocryst abundance (%): | 20 |
| Phenocryst size range (mm): | 1-4 |
| Groundmass: | altered |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Zeolite |
| Sample bagged: | yes |
| Bucket number: | 86 |
| Rock name: | Calcite matrix supported basalt clast breccia with thick Mn crust |
| Comments: | Mn crust 10 - 100 mm |