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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-27 08:51:44 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -14.7561 Longitude: 160.3929 Position from underway logging |
| Vesicle Filling (%): | 40 |
| Vesicle fill: | zeolite |
| Sample bagged: | yes |
| Bucket number: | 82 |
| Rock name: | Altered feldspar-phyric vesicular basalt |
| Comments: | Shiny grains most likely pyroxene - shiny on black groundmass. Highly vesicular basalt (40%) with partial zeolite infill. |
| Sample number: | in2019_v04_D45_005 |
| Dredge: | D45 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust |
| Phenocryst mineralogy: | feldspar | pyroxene |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 1 |
| Groundmass: | microcrystaline |
| Vesicle abundance: | 30-50% |