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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-25 23:09:56 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -13.5974 Longitude: 159.2659 Position from underway logging |
| Sample number: | in2019_v04_D41-027 |
| Dredge: | D41 |
| 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 | altered |
| Features: | pillow lava |
| Grain size: | silt |
| Sorting: | good |
| Components: | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 77 |
| Rock name: | Laminated well sorted mudstone |
| Comments: | Reacts with HCL, surrounded by white rim, which doesn't react with HCL. Small dark particles (<0.05mm) bedded in mudstone. FeO3 altered patches throughout rock, so small that microscope was needed to see them. |