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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-14 02:51:58 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.4889 Longitude: 155.8814 Position from underway logging |
| Sample number: | in2019_v04_D13_010 |
| Dredge: | D13 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 2 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] | altered |
| Phenocryst abundance (%): | 60 |
| Phenocryst size range (mm): | <0.5 |
| Groundmass: | microcrystaline |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 3 |
| Vesicle fill: | sand, clay |
| Alteration: | altered |
| Sample bagged: | yes |
| Bucket number: | 26 |
| Rock name: | Altered olivine feldspar phyric basalt |