Sample s_UA 338
NavDat sample number 11175 · DACITE
Sample
| Sample ID | s_UA 338 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | 14C OF ASSOCIATED ORGANICS |
Location
| Latitude | 62.0008 |
|---|---|
| Longitude | -140.57 |
| Location | WRANGELLIA |
| State / province | YUKON TERRITORY |
| Location comment | WRANGELL MOUNTAINS |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.03 | 0 | 0.05 | QUATERNARY |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.56 | WT% | EPMA | |
| AL2O3 | 28.56 | WT% | EPMA | |
| FEO | 0.47 | WT% | EPMA | |
| CAO | 12.32 | WT% | EPMA | |
| K2O | 0.15 | WT% | EPMA | |
| NA2O | 4.21 | WT% | EPMA | |
| SIO2 | 53.16 | WT% | EPMA | |
| TIO2 | 0.17 | WT% | EPMA | |
| AL2O3 | 0.64 | WT% | EPMA | |
| FEO | 22.16 | WT% | EPMA | |
| CAO | 1.01 | WT% | EPMA | |
| MGO | 21.59 | WT% | EPMA | |
| MNO | 1.34 | WT% | EPMA | |
| SIO2 | 52.84 | WT% | EPMA | |
| TIO2 | 0.12 | WT% | EPMA | |
| AL2O3 | 1.11 | WT% | EPMA | |
| FEO | 10.47 | WT% | EPMA | |
| CAO | 20.69 | WT% | EPMA | |
| MGO | 13.73 | WT% | EPMA | |
| MNO | 0.56 | WT% | EPMA | |
| SIO2 | 0.11 | WT% | EPMA | |
| TIO2 | 9.71 | WT% | EPMA | |
| AL2O3 | 2.02 | WT% | EPMA | |
| FE2O3 | 47.33 | WT% | EPMA | |
| FEO | 36.56 | WT% | EPMA | |
| MGO | 1.86 | WT% | EPMA | |
| MNO | 0.56 | WT% | EPMA | |
| SIO2 | 0.06 | WT% | EPMA | |
| TIO2 | 42.34 | WT% | EPMA | |
| AL2O3 | 0.27 | WT% | EPMA | |
| FE2O3 | 20.01 | WT% | EPMA | |
| FEO | 32.27 | WT% | EPMA | |
| MGO | 2.97 | WT% | EPMA | |
| MNO | 0.58 | WT% | EPMA |
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