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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-09-01 03:10:38 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -24.1176 Longitude: 158.9218 Position from underway logging |
| Sample number: | in2019_v04_D55-002 |
| Dredge: | D55 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | white |
| Composition: | carbonate |
| Phenocryst mineralogy: | feldspar |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 0.5-2 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 20 |
| Vesicle fill: | iron oxide |
| Grain size: | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | rounded |
| Sorting: | poor |
| Components: | volcanic vesicular | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 94 |
| Rock name: | Grainstone matrix-supported feldspar-phyric basalt clast conglomerate |
| Comments: | feldspar phenocryst present. Corals and bivalve fossils |