Sample s_UA 339
NavDat sample number 11174 · DACITE
Sample
| Sample ID | s_UA 339 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 62.525 |
|---|---|
| Longitude | -140.95 |
| Location | WRANGELLIA |
| State / province | YUKON TERRITORY |
| Location comment | YUKON TERRITORY |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.09 | 0.06 | 0.12 | QUATERNARY |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| FE2O3 | 2.34 | WT% | EPMA | |
| NA2O | 3.7 | WT% | INAA | |
| SIO2 | 56.87 | WT% | EPMA | |
| AL2O3 | 26.46 | WT% | EPMA | |
| FEO | 0.33 | WT% | EPMA | |
| CAO | 9.98 | WT% | EPMA | |
| K2O | 0.18 | WT% | EPMA | |
| NA2O | 5.4 | WT% | EPMA | |
| SIO2 | 0.13 | WT% | EPMA | |
| TIO2 | 9.36 | WT% | EPMA | |
| AL2O3 | 2.02 | WT% | EPMA | |
| FE2O3 | 48.31 | WT% | EPMA | |
| FEO | 36.59 | WT% | EPMA | |
| MGO | 1.64 | WT% | EPMA | |
| MNO | 0.77 | WT% | EPMA | |
| SIO2 | 0 | WT% | EPMA | |
| TIO2 | 42.22 | WT% | EPMA | |
| AL2O3 | 0.23 | WT% | EPMA | |
| FE2O3 | 20.04 | WT% | EPMA | |
| FEO | 32.58 | WT% | EPMA | |
| MGO | 2.52 | WT% | EPMA | |
| MNO | 0.88 | WT% | EPMA | |
| LA | 25.3 | PPM | INAA | |
| CE | 53.8 | PPM | INAA | |
| ND | 24 | PPM | INAA | |
| SM | 6 | PPM | INAA | |
| EU | 0.97 | PPM | INAA | |
| TB | 0.9 | PPM | INAA | |
| YB | 3.8 | PPM | INAA | |
| LU | 0.7 | PPM | INAA | |
| SC | 7.1 | PPM | INAA | |
| HF | 4 | PPM | INAA | |
| TA | 900 | PPM | INAA | |
| RE | 5.7 | PPM | INAA | |
| OS | 0.8 | PPM | INAA | |
| U | 9.7 | PPM | INAA | |
| U | 3.9 | PPM | INAA |
References
- Westgate, J A; Walter, R C; Pearce, G W; Gorton, M P (1985) Distribution, stratigraphy, petrochemistry, and palaeomagnetism of the late Pleistocene Old Crow tephra in Alaska and the Yukon. Canadian Journal of Earth Sciences = Journal Canadien des Sciences de la Terre. 22; 6, Pages 893-906. 1985. doi:10.1139/e85-093