Please login if you have access to particular applications.
Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-21 10:34:34 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -13.4185 Longitude: 153.9658 Position from underway logging |
| Sample number: | in2019_v04_D33-003 |
| Dredge: | D33 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes |
| Number of photos: | 2 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | brown |
| Composition: | sedimentary |
| Alteration: | Mn crust |
| Grain size: | cobble (>64 mm) |
| Grain shape: | rounded |
| Sorting: | moderate |
| Components: | volcanic non-vesicular | other |
| Sample bagged: | yes |
| Bucket number: | 48 |
| Rock name: | Manganese nodule with small volcanic clasts |
| Comments: | Mn crust 100 mm thickness. Mn nodule containing a number of small (7mm) clasts within the same concentric layer - clasts are quite hard, fine grained, grey and presumably volcanic in origin - but hard to say |