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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 23:00:38 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.3446 Longitude: 157.3277 Position from underway logging |
Sample number: | in2019_v04_D36-051 |
Dredge: | D36 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-dark | green |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | pyroxene |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 30 |
Vesicle fill: | zeolite |
Sample bagged: | yes |
Bucket number: | 67 |
Rock name: | Highly altered poorly grained dolorite |
Comments: | Altered feldspar and pyroxene crystals. Veins filled with zeolite. Network of veins observed |