Sample STM-10-15-2
NavDat sample number 17229 · DACITE
Sample
| Sample ID | STM-10-15-2 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.755 |
|---|---|
| Longitude | -121.147 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25 | 23 | 27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.87 | WT% | XRF | |
| TIO2 | 0.68 | WT% | XRF | |
| AL2O3 | 16.14 | WT% | XRF | |
| FEOT | 5.29 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 1 | WT% | XRF | |
| CAO | 4.16 | WT% | XRF | |
| NA2O | 4.25 | WT% | XRF | |
| K2O | 2.31 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| TOTAL | 98.26 | WT% | XRF | |
| BA | 819 | PPM | XRF | |
| RB | 65 | PPM | XRF | |
| SR | 264 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 226 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| NI | 8 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| V | 32 | PPM | XRF | |
| CU | 17 | PPM | XRF | |
| ZN | 76 | PPM | XRF |