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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 22:52:10 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.3225 Longitude: 157.3222 Position from underway logging |
| Sample number: | in2019_v04_D36-043 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | white | red |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | feldspar | pyroxene | altered |
| Groundmass: | microcrystaline |
| Vesicle abundance: | <10% |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | rounded |
| Sorting: | moderate |
| Sample bagged: | yes |
| Bucket number: | 63 |
| Rock name: | Altered feldspar phyric basalt |
| Comments: | Eventally altered olivine but maybe pyroxene. Eventually one big pebble - belongs to breccia? |