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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 20:25:43 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.2245 Longitude: 157.2976 Position from underway logging |
| Sample number: | in2019_v04_D36-013 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark | white | red |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar | pyroxene | altered |
| Phenocryst abundance (%): | 70% |
| Phenocryst size range (mm): | <1mm |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 60 |
| Rock name: | Partially altered pyroxene-feldspar-phyric dolerite |
| Comments: | Crystalline groundmass. Plag laths <0.5mm. Whole rock altered red/greenish. Zeolite - filled fractures <1mm wide. Maybe clast from breccia? |