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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-04 19:35:58 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -42.8786 Longitude: 151.5534 Position from underway logging |
Sample number: | IN2018_V08_D14_015 |
Dredge: | 14 |
Dredge Date: | 04/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | grey-dark | green |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | pyroxene | amphibole |
Phenocryst abundance (%): | 10 |
Phenocryst size range (mm): | 1-3 |
Groundmass: | microcrystaline |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 043 |
Rock name: | Feldspar-amphibole-pyroxene basaltic andesite |
Comments: | Iddingsite crystals |