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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-30 22:51:55 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -22.2987 Longitude: 159.2213 Position from underway logging |
| Sample number: | in2019_v04_D51-006 |
| Dredge: | D51 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | brown |
| Composition: | sedimentary |
| Alteration: | Mn crust | altered |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | Fe-oxide alteration and Mn Oxide |
| Grain size: | silt | sand (<2 mm) |
| Grain shape: | rounded |
| Sorting: | good |
| Components: | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 90 |
| Rock name: | Altered good sorted sandy siltstone |
| Comments: | Mn-oxide alteration 1-2mm throughout rock. Tiny white (<1mm) well rounded grains -> forams? |