Sample s_98-35
NavDat sample number 43351 · DACITE
Sample
| Sample ID | s_98-35 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Texture | PORPHYRITIC |
| Comment | LOWER UNIT |
Location
| Latitude | 46.87 |
|---|---|
| Longitude | -121.758 |
| Location | Burroughs Mountain Lava Flow |
| State / province | Washington |
| Location comment | North Vertical Section |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.496 | 0.489 | 0.503 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.4 | WT% | XRF | |
| TIO2 | 0.82 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3T | 5.46 | WT% | XRF | |
| CAO | 5.18 | WT% | XRF | |
| MGO | 2.66 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| K2O | 1.59 | WT% | XRF | |
| NA2O | 3.79 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| LA | 18.8 | PPM | LA-ICPMS | |
| CE | 41 | PPM | LA-ICPMS | |
| PR | 4.62 | PPM | LA-ICPMS | |
| ND | 20 | PPM | LA-ICPMS | |
| SM | 3.71 | PPM | LA-ICPMS | |
| EU | 1.18 | PPM | LA-ICPMS | |
| GD | 3.11 | PPM | LA-ICPMS | |
| TB | 0.47 | PPM | LA-ICPMS | |
| DY | 2.66 | PPM | LA-ICPMS | |
| HO | 0.43 | PPM | LA-ICPMS | |
| ER | 1.39 | PPM | LA-ICPMS | |
| YB | 1.34 | PPM | LA-ICPMS | |
| LU | 0.21 | PPM | LA-ICPMS | |
| CR | 42 | PPM | LA-ICPMS | |
| NI | 10 | PPM | XRF | |
| CU | 25 | PPM | XRF | |
| ZN | 63 | PPM | XRF | |
| RB | 32 | PPM | XRF | |
| SR | 523 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 173 | PPM | XRF | |
| BA | 361 | PPM | XRF |
References
- Stockstill, Karen R; Vogel, Thomas A; Sisson, Thomas W (2003) Origin and emplacement of the andesite of Burroughs Mountain, a zoned, large-volume lava flow at Mount Rainier, Washington, USA. Journal of Volcanology and Geothermal Research. 119; 1-4, Pages 275-296. 2003. doi:10.1016/S0377-0273(02)00358-X