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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-03 15:34:19 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -53.5207 Longitude: 83.0408 Position from underway logging |
| Sample number: | IN2020_V01_D06_004 |
| Dredge: | D06 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes IN2020_V01_D06_004 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | yellow |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 25 |
| Phenocryst size range (mm): | 1 |
| Groundmass: | microcrystaline |
| Mn crust thickness (mm): | 7 |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | Other |
| Sample bagged: | yes |
| Bucket number: | D05/D06 1 of 1 |
| Rock name: | Vesicular feldspar-phyric basalt |
| Original Sample Dimensions: | 19 x 15 x 10 cm |
| Comments: | Two types of vesicles - elongate vesicles in bands and round vesicles which may or may not be replaced with minerals/vesicles. Also two large unfilled vesicles |
| Phenocryst mineralogy: | feldspar |