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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-04 09:19:56 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -32.4184 Longitude: 109.2423 Position from underway logging |
Sample number: | IN2020_V01_D21_026 |
Dredge: | D21 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D21_026 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | no |
Colour: | grey-dark |
Composition: | mafic |
Alteration: | Mn crust | altered |
Groundmass: | microcrystaline |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 100 |
Vesicle fill: | other (black mineral) |
Sample bagged: | yes |
Bucket number: | 3 of 4 |
Rock name: | subtle to weakly altered aphanitic basalt |
Original Sample Dimensions: | 29.5x18.5x9 |
Comments: | weakly magnetic; minor fracturing; |