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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-31 11:46:29 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -22.9061 Longitude: 159.7884 Position from underway logging |
Sample number: | in2019_v04_D53-002 |
Dredge: | D53 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 5 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white |
Composition: | carbonate |
Alteration: | Fresh |
Grain size: | sand (<2 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 91 |
Rock name: | Foraminifera-rich grainstone |
Comments: | Matrix is grain supported. Large benthic foraminifera (nummolites?) across whole surface. On the cut surface they appear in patches with a lighter colour. Also shell fragments. |