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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-14 12:45:12 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.3837 Longitude: 155.6405 Position from underway logging |
| Sample number: | in2019_v04_D15_008 |
| Dredge: | D15 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | green |
| Composition: | mafic |
| Phenocryst abundance (%): | 0 |
| Groundmass: | altered |
| Features: | volcanic brecciated |
| Vesicle abundance: | absent |
| Alteration: | Mn crust | altered |
| Grain size: | silt | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | volcanic non-vesicular |
| Sample bagged: | yes |
| Bucket number: | 32 |
| Rock name: | Green altered monomictic mafic volcanic breccia |
| Comments: | 1mm Mn Crust thickness. Has broken into 4 pieces during cutting |