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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-10 00:08:39 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: |
Latitude: -20.88472 Longitude: 154.61111
- entered into Elog as -20.884722, 154.611111 |
| Sample number: | in2019_v04_D03_004 |
| Dredge: | D03 |
| Dredge Date: | 10/08/19 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] | altered |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 2-9 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | 30-50% |
| Vesicle Filling (%): | 40 |
| Vesicle fill: | calcite |
| Alteration: | Mn crust | altered |
| Sample bagged: | yes |
| Bucket number: | 03 |
| Rock name: | olivine ferric basalt |
| Requested: | UK | Monash |
| Comments: | Mn crust 2 - 4 mm |