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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-11 02:42:30 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -20.7483 Longitude: 155.9889 Position from underway logging |
| Sample number: | in2019_v04_D06_004 |
| Dredge: | D06 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | olivine[iddingsite] |
| Alteration: | Mn crust |
| Grain size: | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | volcanic vesicular |
| Cement: | calcite | other carbonate |
| Sample bagged: | yes |
| Bucket number: | 13 |
| Rock name: | Clast-supported basalt breccia |
| Comments: | Mn crust 2 mm, very poorly sorted with some 6 cm diameter clasts and sand size grains (two populations of clasts, olivine ferric and vesicular), two different kinds of carbonate cements (one white and one grey and fizzed) |