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: | 2019-08-21 03:08:53 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -12.6497 Longitude: 153.6426 Position from underway logging |
| Sample number: | in2019_v04_D32_040 |
| Dredge: | D32 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark | brown | yellow |
| Composition: | sedimentary |
| Phenocryst mineralogy: | quartz |
| Alteration: | Mn crust |
| Grain size: | pebble (2-64 mm) |
| Sorting: | moderate |
| Components: | pumice | volcanic non-vesicular |
| Sample bagged: | yes |
| Bucket number: | 46 |
| Rock name: | Polymictic matrix supported clast aligned breccia (ignimbrite?) |
| Comments: | Mn - crust 3 mm, plymictic clast, flow of fiamme (?) around clasts, elongate possible pumice fiamme centering quartz crystalls aligned and flow around clast. |