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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-24 10:59:23 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.9927 Longitude: 157.4898 Position from underway logging |
| Comments: | Mn crust thickness 0.5mm. Massive. Cross-cut by veins ~4mm diameter and ~5cm long villed by zeolites. Now relatively altered and green colour. |
| Sample number: | in2019_v04_D36-006 |
| 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 | green |
| Composition: | mafic |
| Alteration: | Mn crust |
| Phenocryst mineralogy: | feldspar | pyroxene |
| Phenocryst abundance (%): | 100 |
| Phenocryst size range (mm): | 0.5-2mm |
| Groundmass: | crystalline |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 59 |
| Rock name: | Massive feldspar-pyroxene-phyric dolerite |