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: | 2019-08-10 00:50:28 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: |
Latitude: -20.88472 Longitude: 154.61111
- entered into Elog as -20.884722, 154.611111 |
| Sample number: | in2019_v04_D03_010 |
| Dredge: | D03 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] | altered |
| Phenocryst abundance (%): | 70 |
| Phenocryst size range (mm): | 1-3 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | >50% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | calcite |
| Alteration: | Mn crust | altered |
| Grain size: | sand (<2 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | volcanic vesicular |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 05 |
| Rock name: | vesicular basalt |
| Comments: | Mn crust ~30 mm, clast section describes sedimentary part between basalt and manganese crust |
| Comments: | D0 |