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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-09-02 00:03:36 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -25.7223 Longitude: 155.3899 Position from underway logging |
| Sample number: | in2019_v04_D36-003 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | brown | green |
| Composition: | sedimentary |
| Alteration: | altered |
| Grain size: | silt |
| Grain shape: | rounded |
| Sorting: | good |
| Bucket number: | 59 |
| Rock name: | Mudstone with crystalline filled fractures |
| Comments: | Not carbonate; fractures (0.5mm wide) pervasive that are broadly aligned; lenticular crystalline patches, orften surrounded by fractures; mineralogy unclear - maybe plagioclase in fractures, maybe ash? |