Sample TAM 20
NavDat sample number 39022 · DACITE
Sample
| Sample ID | TAM 20 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.6992 |
|---|---|
| Longitude | -114.753 |
| Location | Smoky Mountains |
| State / province | Idaho |
| Volcanic field | Big Peak stock |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48.2 | 46 | 50 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.28 | WT% | XRF | |
| AL2O3 | 15.64 | WT% | XRF | |
| TIO2 | 0.429 | WT% | XRF | |
| FEOT | 3.33 | WT% | XRF | |
| MNO | 0.064 | WT% | XRF | |
| CAO | 3.49 | WT% | XRF | |
| MGO | 1.67 | WT% | XRF | |
| K2O | 3.78 | WT% | XRF | |
| NA2O | 4.07 | WT% | XRF | |
| P2O5 | 0.133 | WT% | XRF | |
| TOTAL | 100.89 | WT% | XRF | |
| NI | 17 | PPM | XRF | |
| CR | 35 | PPM | XRF | |
| SC | 8 | PPM | XRF | |
| V | 62 | PPM | XRF | |
| BA | 1248 | PPM | XRF | |
| RB | 102 | PPM | XRF | |
| SR | 476 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 17.8 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 41 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| TH | 17 | PPM | XRF | |
| LA | 68 | PPM | XRF | |
| CE | 51 | PPM | XRF |