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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-01-20 14:33:40 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.5873 Longitude: 83.3653 Position from underway logging |
Sample number: | IN2020_V01_D01_001 |
Dredge: | D01 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes IN2020_V01_D01_001 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-light | white |
Composition: | intermediate |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar | quartz | amphibole | other |
Phenocryst abundance (%): | 100 |
Phenocryst size range (mm): | 1-4 |
Groundmass: | crystalline |
Mn crust thickness (mm): | 5 |
Vesicle abundance: | absent |
Sample bagged: | yes |
Bucket number: | MQU1 (D01 3 of 8) |
Rock name: | Granite |
Original Sample Dimensions: | 15x15x8 cm |
Comments: | Very lightly clay altered. No foliation, no compositional layering |