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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-12 06:25:34 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -19.8054 Longitude: 154.7698 Position from underway logging |
| Sample number: | IN2019_V04_D08_010 |
| Dredge: | D08 |
| Dredge Date: | 12.08.2019 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 02 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | yellow |
| Composition: | mafic |
| Phenocryst size range (mm): | Non visiblle, <1mm |
| Groundmass: | microcrystaline |
| Vesicle abundance: | absent |
| Alteration: | altered |
| Sample bagged: | yes |
| Bucket number: | 18 |
| Rock name: | Highly altered microcrystaline basalt/ Trachyte |
| Comments: | Some highly altered veins scattered along the weakned planes |