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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 22:11:48 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.2403 Longitude: 157.3048 Position from underway logging |
| Sample number: | in2019_v04_D36-033 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Composition: | mafic |
| Alteration: | Mn crust |
| Phenocryst mineralogy: | olivine[iddingsite] |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 2 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 40 |
| Vesicle fill: | calcite |
| Sample bagged: | yes |
| Bucket number: | 64 |
| Rock name: | Veined altered basalt. |
| Comments: | Greeny - yellow mineral in veins (physllosilicate) - could be chlorite, epidote, serecite or serpentinite. Veins are hard white crystals - quartz. Olivine phenocrysts |
| Sticker: | yes |
| Colour: | grey-light | red | yellow | green |