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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-12 23:25:53 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -19.4532 Longitude: 155.084 Position from underway logging |
Sample number: | in2019_v04_D10_007 |
Dredge: | D10 |
Dredge Date: | 13/08/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 9 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white | brown |
Composition: | mafic |
Features: | volcanic brecciated |
Alteration: | Mn crust | altered |
Grain size: | pebble (2-64 mm) |
Grain shape: | angular |
Sorting: | poor |
Components: | scoria |
Sample bagged: | yes |
Bucket number: | 20 |
Rock name: | Altered poorly sorted scoria breccia |
Comments: | Mn- crust 28 mm, light coloured matrix non reactive with HCl, hardness less than 5 |