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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-15 00:49:58 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -16.7454 Longitude: 155.5693 Position from underway logging |
| Sample number: | in2019_v04_D16_007 |
| Dredge: | D16 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | white | brown | yellow |
| Composition: | sedimentary |
| Phenocryst mineralogy: | feldspar | olivine[iddingsite] | pyroxene |
| Phenocryst abundance (%): | 35 |
| Phenocryst size range (mm): | <1-10 |
| Groundmass: | altered |
| Vesicle abundance: | 30-50% |
| Vesicle Filling (%): | 100% |
| Vesicle fill: | calcite |
| Alteration: | Mn crust | altered |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 33 |
| Rock name: | Altered vesicular baslt in a fossilforous limestone crust |
| Comments: | Mn <1mm, Limestine crust surrounding the basalt, surrounding carbonate crust contains forminifera, coral and, various shells. |