Please login if you have access to particular applications.
Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-21 10:30:11 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -13.4218 Longitude: 153.9532 Position from underway logging |
| Sample number: | in2019_v04_D33-014 |
| Dredge: | D33 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | brown |
| Composition: | sedimentary |
| Alteration: | Fresh | Mn crust | altered |
| Grain size: | silt |
| Grain shape: | rounded |
| Sorting: | good |
| Components: | other |
| Sample bagged: | yes |
| Bucket number: | 48 |
| Rock name: | Trace fossil contained mudstone |
| Comments: | Mn crust 30 mm thick. Fewer trace fossils than in D33-013 - some vertical and horizontal burrows filled with either Mn oxide or really dark brown/black clay - a few 3-4mm size clay fragments in the Mn crust - thin Mn oxide layers in the mudstone itself, in the cracks? |