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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-21 00:37:31 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -12.6469 Longitude: 153.6407 Position from underway logging |
| Sample number: | in2019_v04_D32_005 |
| Dredge: | D32 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | brown |
| Composition: | sedimentary |
| Alteration: | Mn crust |
| Grain size: | silt | sand (<2 mm) |
| Grain shape: | rounded |
| Sorting: | moderate |
| Sample bagged: | yes |
| Bucket number: | 44 |
| Rock name: | Argillaceous mudstone |
| Comments: | Mn- crust 9 mm, didn't fizz, some black sand grains likely Mn oxide, very fine grained, colour changes in mud |