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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-14 22:47:37 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -46.6761 Longitude: 84.9787 Position from underway logging |
| Sample number: | IN2020_V01_D12_001 |
| Dredge: | D12 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D12_001 |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black |
| Composition: | mafic |
| Alteration: | Fresh | Mn crust |
| Phenocryst mineralogy: | feldspar | glass[fresh] | pyroxene |
| Phenocryst abundance (%): | 25 |
| Phenocryst size range (mm): | 1-8 |
| Groundmass: | glassy |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 0 |
| Sample bagged: | yes |
| Bucket number: | 1 of 3 |
| Rock name: | Vesicular, variably glassy pyroxene-phyric basalt |
| Original Sample Dimensions: | 37x20x21 cm |
| Comments: | Pyroxene is the dominant phenocryst phase (feldspar<1%). One fracture. |