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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 23:56:31 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.4875 Longitude: 157.3634 Position from underway logging |
Sample number: | in2019_v04_D36-060 |
Dredge: | D36 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-dark | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | pyroxene |
Groundmass: | microcrystaline | altered |
Vesicle abundance: | absent |
Sample bagged: | yes |
Bucket number: | 67 |
Rock name: | Altered feldspar-rich basalt. |
Comments: | Clay filled cracks and empty cracks. Nice visible feldspar crystals |