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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-03 02:00:37 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -39.06 Longitude: 154.7975 Position from underway logging |
Sample number: | IN2018_V08_D11_024 |
Dredge: | 11 |
Dredge Date: | 03/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 4 |
Colour: | grey-dark | red |
Composition: | mafic |
Alteration: | altered |
Phenocryst mineralogy: | feldspar |
Phenocryst abundance (%): | 1 |
Groundmass: | microcrystaline |
Vesicle abundance: | low (<30%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 029 |
Rock name: | altered basalt |
Comments: | Pseudo-breccia. Calcium carbonate-infilled veins. |