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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-03 16:01:30 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -32.7256 Longitude: 105.3165 Position from underway logging |
Sample number: | IN2020_V01_D20_013 |
Dredge: | D20 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D20_013 |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 1 |
Phenocryst size range (mm): | 1-4 |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | <1 |
Vesicle abundance: | absent |
Sample bagged: | yes |
Bucket number: | 1 of 5 |
Rock name: | Subtly altered aphanitic basalt |
Original Sample Dimensions: | 15x10x5 |
Comments: | Minor fracturing filled with carbonate. |