Sample 2123
NavDat sample number 53372 · DACITE
Sample
| Sample ID | 2123 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.465 |
|---|---|
| Longitude | -121.769 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.2 | WT% | XRF | |
| AL2O3 | 17.6 | WT% | XRF | |
| FEOT | 4.92 | WT% | XRF | |
| MGO | 2.3 | WT% | XRF | |
| CAO | 5.87 | WT% | XRF | |
| NA2O | 3.43 | WT% | XRF | |
| K2O | 1.69 | WT% | XRF | |
| TIO2 | 0.65 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 98.07 | WT% | XRF | |
| LOI | 1.4 | WT% | XRF | |
| RB | 34 | PPM | XRF | |
| SR | 812 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 104 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| BA | 429 | PPM | XRF | |
| NI | 28 | PPM | XRF | |
| CU | 25 | PPM | XRF | |
| ZN | 58 | PPM | XRF | |
| CR | 29 | PPM | XRF |