Please login if you have access to particular applications.
Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-15 17:52:48 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -44.0467 Longitude: 87.1926 Position from underway logging |
| Sample bagged: | yes |
| Bucket number: | 2 of 3 |
| Rock name: | weakly altered phaneritic, microcrystalline basalt |
| Original Sample Dimensions: | 6.5x10x5.5 cm |
| Comments: | pyroxene and plagioclase phyric; red weathering of pyroxene; weak alteration - pock-marked; c-axis view of pyroxene in photos; |
| Sample number: | IN2020_V01_D12_004 |
| Dredge: | D12 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D12_004 |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-light |
| Composition: | mafic |
| Alteration: | altered |
| Phenocryst mineralogy: | feldspar | pyroxene | biotite |
| Phenocryst abundance (%): | 7 |
| Phenocryst size range (mm): | 5 |
| Groundmass: | microcrystaline |
| Mn crust thickness (mm): | 0 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 0 |
| Vesicle fill: | clay |