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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-02-14 18:50:23 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -46.7414 Longitude: 85.1253 Position from underway logging |
Sample number: | IN2020_V01_D13_007 |
Dredge: | D13 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D13_007 |
Number of photos: | 5 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light | brown | yellow |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar |
Phenocryst abundance (%): | 0 |
Groundmass: | microcrystaline | altered |
Mn crust thickness (mm): | 7-37 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 85 |
Vesicle fill: | other (black mineral) |
Sample bagged: | yes |
Bucket number: | 2 of 2 |
Rock name: | Moderately altered, vesicular, aphanitic basalt |
Original Sample Dimensions: | 30x18x14 cm |
Comments: | plag microphenocrysts in groundmass; minor fracturing |