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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 02:59:57 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.8602 Longitude: 156.7282 Position from underway logging |
| Sample number: | in2019_v04_D35_003 |
| Dredge: | D35 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark |
| Composition: | mafic |
| Alteration: | Fresh |
| Phenocryst mineralogy: | feldspar | olivine[fresh] |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 53 |
| Rock name: | Olivine-phyric dolerite |
| Comments: | Groundmass crystalline, dark colour, green euhedral olivine crystals, crystals are up to 2 mm, generally 1 mm, thite plagioclase laths. |