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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-03-02 17:53:36 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -33.1604 Longitude: 101.2345 Position from underway logging |
| Sample number: | IN2020_V01_D20_001 |
| Dredge: | D20 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D20_001 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | brown |
| Composition: | mafic |
| Alteration: | altered |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 4 |
| Groundmass: | microcrystaline | altered |
| Mn crust thickness (mm): | 0 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Black and white minerals |
| Sample bagged: | yes |
| Bucket number: | 1 of 5 |
| Rock name: | Moderately altered, porphyritic basalt |
| Original Sample Dimensions: | 11x10x6 cm |
| Comments: | Plagioclase phenocrysts are clay altered, and others are pseudomorphed with muscovite. Minor fracturing. |