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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-15 00:43:56 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -16.7449 Longitude: 155.5665 Position from underway logging |
Sample number: | in2019_v04_D16_006 |
Dredge: | D16 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 2 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white | brown |
Composition: | carbonate |
Vesicle abundance: | absent |
Alteration: | Mn crust | altered |
Grain size: | sand (<2 mm) |
Grain shape: | mixture |
Sorting: | moderate |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 33 |
Rock name: | Fossil rich grainstone |
Comments: | Mn crust 8mm, black small fragments within groundmass, might be Mn?, range from 1-2 mm, forams in groundmass, Mn crust only one patch on side of rock, shell fragments up to 15 mm, patches of only fine grained good sorted grains |