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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-04 15:16:40 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -53.1442 Longitude: 81.9999 Position from underway logging |
| Sample number: | IN2020_V01_D09_031 |
| Dredge: | D09 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D09_031 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark |
| Composition: | mafic |
| Alteration: | Fresh |
| Phenocryst mineralogy: | feldspar | quartz | biotite | other |
| Phenocryst abundance (%): | 0 |
| Groundmass: | crystalline |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | MQU6 (D08/D09/D12 1 of 2) |
| Rock name: | Mafic gneiss |
| Original Sample Dimensions: | 43 x 30 x 14 cm |
| Comments: | Half of sample on pallet with other big rocks. Weakly foliated with well-developed gneissose compositional layering dominated by dark minerals. |