Sample s_UT 1
NavDat sample number 11172 · DACITE
Sample
| Sample ID | s_UT 1 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | FISSION TRACK AGE, NAESER et al. 1982 |
Location
| Latitude | 67.47 |
|---|---|
| Longitude | -139.9 |
| Location | WRANGELLIA |
| State / province | YUKON TERRITORY |
| Location comment | YUKON TERRITORY |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.06 | 0 | 0.116 | QUATERNARY |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.24 | WT% | EPMA | |
| AL2O3 | 18.56 | WT% | EPMA | |
| FE2O3 | 1.84 | WT% | EPMA | |
| K2O | 15.27 | WT% | EPMA | |
| NA2O | 0.47 | WT% | EPMA | |
| NA2O | 3.69 | WT% | INAA | |
| SIO2 | 56.7 | WT% | EPMA | |
| AL2O3 | 26.99 | WT% | EPMA | |
| CAO | 9.89 | WT% | EPMA | |
| K2O | 0.31 | WT% | EPMA | |
| NA2O | 5.95 | WT% | EPMA | |
| SIO2 | 53.03 | WT% | EPMA | |
| TIO2 | 0.23 | WT% | EPMA | |
| AL2O3 | 0.99 | WT% | EPMA | |
| FEO | 21.66 | WT% | EPMA | |
| CAO | 1.11 | WT% | EPMA | |
| MGO | 21.64 | WT% | EPMA | |
| MNO | 1.37 | WT% | EPMA | |
| SIO2 | 53.07 | WT% | EPMA | |
| TIO2 | 0.31 | WT% | EPMA | |
| AL2O3 | 1.64 | WT% | EPMA | |
| FEO | 9.26 | WT% | EPMA | |
| CAO | 20.09 | WT% | EPMA | |
| MGO | 15.01 | WT% | EPMA | |
| MNO | 0.35 | WT% | EPMA | |
| SIO2 | 0.59 | WT% | EPMA | |
| TIO2 | 5.14 | WT% | EPMA | |
| AL2O3 | 3.12 | WT% | EPMA | |
| FE2O3 | 54.22 | WT% | EPMA | |
| FEO | 34.47 | WT% | EPMA | |
| MGO | 1.36 | WT% | EPMA | |
| MNO | 0.33 | WT% | EPMA | |
| SIO2 | 0.52 | WT% | EPMA | |
| TIO2 | 9.46 | WT% | EPMA | |
| AL2O3 | 1.99 | WT% | EPMA | |
| FE2O3 | 47.33 | WT% | EPMA | |
| FEO | 38.25 | WT% | EPMA | |
| MGO | 1.22 | WT% | EPMA | |
| MNO | 0.5 | WT% | EPMA | |
| SIO2 | 0.45 | WT% | EPMA | |
| TIO2 | 43.69 | WT% | EPMA | |
| AL2O3 | 0.2 | WT% | EPMA | |
| FE2O3 | 16.82 | WT% | EPMA | |
| FEO | 34.56 | WT% | EPMA | |
| MGO | 2.56 | WT% | EPMA | |
| MNO | 0.71 | WT% | EPMA | |
| LA | 25.6 | PPM | INAA | |
| CE | 50.5 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 5.76 | PPM | INAA | |
| EU | 0.95 | PPM | INAA | |
| TB | 0.9 | PPM | INAA | |
| YB | 3.8 | PPM | INAA | |
| LU | 0.62 | PPM | INAA | |
| SC | 6.3 | PPM | INAA | |
| HF | 3.6 | PPM | INAA | |
| TA | 1000 | PPM | INAA | |
| RE | 6 | PPM | INAA | |
| OS | 0.9 | PPM | INAA | |
| U | 9.6 | PPM | INAA | |
| U | 4 | 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