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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-10 19:09:19 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -21.0723 Longitude: 155.8735 Position from underway logging |
| Sample number: | in2019_v04_D04_023 |
| Dredge: | D04 |
| Dredge Date: | 11/08/19 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark | grey-light | yellow |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | mixture |
| Sorting: | poor |
| Components: | volcanic vesicular |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 12 |
| Rock name: | Clast supported olivine basalt clast breccia |
| Comments: | Mn crust 1-5 mm, partly sedimentary with calcite matrix volcaniclastic basalt olivine inclusions, areas of more recent infilling of crystals are present, altered olivine is common, oxidising is commen and surrounding the basalt, olivine clasts. |