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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-01 14:53:12 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -33.6464 Longitude: 101.4487 Position from underway logging |
Sample number: | IN2020_V01_D19_003 |
Dredge: | D19 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D19_003 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Mn crust thickness (mm): | <1 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 100 |
Vesicle fill: | Black and white minerals |
Sample bagged: | yes |
Bucket number: | 1 of 1 |
Rock name: | Moderately altered, aphanitic basalt |
Original Sample Dimensions: | 13x9x9 cm |
Comments: | ~20% fracturing, infilled with white minerals (quartz and feldspar?). <2% vesicle abundance. |