Information: - Our applications will be disrupted from 2024-05-03 16:30 AEST to 2024-05-03 18:00 AEST Friday due to infrastructure upgrades. We apologize for any inconvenience and appreciate your patience during this maintenance window.
Please login if you have access to particular applications.
Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-12 23:54:57 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -19.4568 Longitude: 155.1595 Position from underway logging |
| Sample number: | in2019_v04_D10_019 |
| Dredge: | D10 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 2 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] |
| Phenocryst abundance (%): | 30 |
| Phenocryst size range (mm): | 1-5 |
| Groundmass: | microcrystaline | altered |
| Features: | volcanic brecciated |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 10 |
| Vesicle fill: | white and red |
| Alteration: | Mn crust |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | good |
| Components: | scoria | volcanic vesicular |
| Sample bagged: | yes |
| Bucket number: | 20 |
| Rock name: | Mn crust with small amount of scoria |
| Comments: | Mn crust 30mm, cement is white and doesn't react with acid |