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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-03 02:17:05 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -39.0959 Longitude: 154.7662 Position from underway logging |
Sample number: | IN2018_V08_D11_035 |
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 |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | altered |
Phenocryst abundance (%): | 2 |
Phenocryst size range (mm): | 0.2 |
Groundmass: | microcrystaline | altered |
Vesicle abundance: | moderate (30-50%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 030 |
Rock name: | Mn crusted vesicular basalt |
Comments: | Zeolite infilled vesicles |