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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-26 03:14:13 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -14.1311 Longitude: 159.655 Position from underway logging |
| Sample number: | in2019_v04_D42-011 |
| Dredge: | D42 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | altered |
| Groundmass: | microcrystaline |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 78 |
| Rock name: | Fine grained altered basalt |
| Comments: | Fine grained particles. Altered feldspar. Cleavage filled with green substance -> chlorite? Thin Mn Crust |