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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-02 23:44:00 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -38.714 Longitude: 155.1066 Position from underway logging |
Sample number: | IN2018_V08_D11_029 |
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: | 2 |
Colour: | black | grey-dark | white | red | yellow |
Composition: | mafic |
Alteration: | Fresh | Mn crust | altered |
Phenocryst mineralogy: | feldspar |
Phenocryst abundance (%): | 1 |
Groundmass: | microcrystaline |
Vesicle abundance: | moderate (30-50%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 028 |
Rock name: | altered vesicular basalt |
Comments: | infill zeolite |