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Event details
| Voyage: | IN2018_V08 [details] |
| When: | 2019-01-04 10:16:20 UTC |
| Log: | Geology_Rocks_in2018_v08 |
| Equipment: | Not specified |
| Position: | Latitude: -41.3828 Longitude: 152.3868 Position from underway logging |
| Sample number: | IN2018_V08_D14_008 |
| Dredge: | 014 |
| Dredge Date: | 04/01/2019 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Sample sawn: | Yes |
| Sawn sample photographed: | Yes |
| Number of photos: | 3 |
| Colour: | grey-dark | brown |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | rounded |
| Sorting: | poor |
| Components: | volcanic non-vesicular |
| Phenocryst mineralogy: | feldspar |
| Phenocryst abundance (%): | 20 |
| Phenocryst size range (mm): | 1 |
| Groundmass: | microcrystaline |
| Vesicle abundance: | low (<30%) |
| Sample bagged: | yes |
| Sticker: | yes |
| Bucket number: | 042 |
| Rock name: | Volcanic conglomerate with basalt clasts |
| Comments: | Mn crust 0.5-2cm, Feldspar-phyric basalt clasts, volcanic section on this entry describes the clasts. |