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 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 |