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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-05 01:56:20 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -43.2877 Longitude: 151.4038 Position from underway logging |
Sample number: | IN2018_V08_D15_010 |
Dredge: | 15 |
Dredge Date: | 05/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | black | white | brown |
Composition: | mafic |
Alteration: | Mn crust | altered |
Grain size: | sand and silt (<2 mm) | pebble (2-64 mm) |
Grain shape: | angular |
Sorting: | moderate |
Components: | scoria | carbonate/fossil | volcanic non-vesicular |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 046 |
Rock name: | Polymictic volcanic breccia |
Comments: | 1-2 thick Mn crust. Heavily altered |