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: | 2019-08-29 09:05:10 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.5857 Longitude: 158.4667 Position from underway logging |
| Sample number: | in2019_v04_D49_006 |
| Dredge: | D49 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | white | red | brown |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | feldspar |
| Phenocryst abundance (%): | 1-5 |
| Phenocryst size range (mm): | 2 |
| Groundmass: | microcrystaline |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 0 |
| Grain size: | cobble (>64 mm) |
| Grain shape: | mixture |
| Sorting: | poor |
| Components: | volcanic vesicular | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 85 |
| Rock name: | Partially altered feldspar phyric basalt breccia |
| Comments: | Carbonate supported matrix. Main clast is basalt. Bioturbation - geopetal structure. |