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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-12 23:13:29 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -19.4752 Longitude: 155.0498 Position from underway logging |
Sample number: | in2019_v04_D10_004 |
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 |
Composition: | carbonate |
Alteration: | Mn crust | altered |
Grain size: | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | good |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 19 |
Rock name: | Friable foraminifera grainstone |
Comments: | Mn-crust thickness 1-2 mm, fine to medium sand, some black grains, forams |