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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-21 13:59:28 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -13.2587 Longitude: 154.5664 Position from underway logging |
| Sample number: | in2019_v04_D33-036 |
| 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: | 53 |
| Rock name: | Trace fossil? mudstone with volcanic clasts? |
| Comments: | Mn crust 10 mm thick. Silt rich mudstone - probably vertical burrows filled with clay (fully or partially) and containing a Mn oxide wall - contains volcanic rock fragments which are surrounded by Mn crust |