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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-12 23:10:56 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -19.4797 Longitude: 155.0427 Position from underway logging |
Sample number: | in2019_v04_D10_003 |
Dredge: | D10 |
Dredge Date: | 13/08/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 2 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | white | brown | yellow |
Composition: | carbonate |
Alteration: | Mn crust |
Grain size: | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | good |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 19 |
Rock name: | Poorly cemented grainstone |
Comments: | (0-2 mm thickness Mn-crust), poorly cemented, 1mm sized black grains, potentially volcanic fragments, fine to medium grainsize carbonate grains. |