Please login if you have access to particular applications.
Event details
| Voyage: | IN2018_V08 [details] |
| When: | 2018-12-29 05:23:26 UTC |
| Log: | Geology_Rocks_in2018_v08 |
| Equipment: | Not specified |
| Position: | Latitude: -39.9521 Longitude: 157.1954 Position from underway logging |
| Phenocryst abundance (%): | 7 |
| Phenocryst size range (mm): | 1-4 |
| Groundmass: | altered |
| Vesicle abundance: | low (<30%) |
| Sample bagged: | yes |
| Sticker: | yes |
| Bucket number: | 006 |
| Rock name: | altered feldspar-phyric andesite |
| Sample number: | IN2018_V08_D01_018 |
| Dredge: | 01 |
| Dredge Date: | 28/12/2018 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Sample sawn: | Yes |
| Sawn sample photographed: | Yes |
| Colour: | black | white | red | brown |
| Composition: | intermediate |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | feldspar | feromagnesian | altered |