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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-25 23:40:40 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -13.6621 Longitude: 159.3282 Position from underway logging |
Sample number: | in2019_v04_D41-038 |
Dredge: | D41 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 7 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light | white | brown |
Composition: | sedimentary |
Alteration: | Mn crust | altered |
Grain size: | sand (<2 mm) | pebble (2-64 mm) | cobble (>64 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 78 |
Rock name: | Poorly sorted calcitic-cement supported mudstone clast conglomerate |
Comments: | Big cobble subangular with Fe2O3 alteration. Pebbles are angular - subangular. Sand is angular-subangular. Vein of calcite along big cobble. Altered patches have black particles in them. |