Please login if you have access to particular applications.
Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-01-30 08:12:50 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.6789 Longitude: 80.854 Position from underway logging |
Sample number: | IN2020_V01_D05_002 |
Dredge: | D05 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes IN2020_V01_D05_002 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | brown |
Composition: | intermediate |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | quartz | other |
Phenocryst abundance (%): | 3 |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 10 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 10 |
Sample bagged: | yes |
Bucket number: | D05/D06 1 of 1 |
Rock name: | Rhyolite |
Original Sample Dimensions: | 4x8x6 cm |
Comments: | Igneous intrusive, few phenocrysts, seems rhyolite, Mica present |