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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-19 06:12:58 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -14.2711 Longitude: 155.5641 Position from underway logging |
| Sample number: | in2019_v04_D28_003 |
| Dredge: | D28 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | white | red | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar |
| Phenocryst abundance (%): | 15 |
| Phenocryst size range (mm): | 1-5 mm |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 50% |
| Vesicle fill: | calcite |
| Alteration: | Mn crust | altered |
| Sample bagged: | yes |
| Bucket number: | 37 |
| Rock name: | Feldspar-phyric vesicular basalt |
| Comments: | 5 mm Mn oxide crust. |