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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-02-04 14:09:36 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.1243 Longitude: 82.093 Position from underway logging |
Sample number: | IN2020_V01_D09_008 |
Dredge: | D09 |
Sample photographed (include scale and sample number): | Yes in IN2020_V01_D09_008 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-dark |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 10 |
Phenocryst size range (mm): | 1-5 |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 0.5 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 95 |
Vesicle fill: | other |
Sample bagged: | yes |
Bucket number: | 1 of 6 |
Rock name: | Weakly altered phaneritic basalt |
Original Sample Dimensions: | 16 x 15 x 8 cm |
Comments: | High. Weak alteration, weakly magnetic. |