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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-21 03:12:41 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -12.6498 Longitude: 153.6428 Position from underway logging |
Sample number: | in2019_v04_D32_041 |
Dredge: | D32 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 5 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light | white |
Composition: | sedimentary |
Groundmass: | microcrystaline |
Vesicle abundance: | absent |
Alteration: | Mn crust | altered |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | good |
Sample bagged: | yes |
Bucket number: | 47 |
Rock name: | fine grained and sorted mudstone |
Comments: | Mn - crust 8 mm, Cracks throughout the rock filled with clay and white mineral that doesn't fizz, small minerals in Mn- crust (pink and brown). |