Sample 2E90B
NavDat sample number 33971 · RHYOLITE
Sample
| Sample ID | 2E90B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2975 |
|---|---|
| Longitude | -122.132 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 23.4 | 28.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.38 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 12.97 | WT% | XRF | |
| FEOT | 2.83 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.12 | WT% | XRF | |
| CAO | 0.69 | WT% | XRF | |
| NA2O | 4.02 | WT% | XRF | |
| K2O | 3.67 | WT% | XRF | |
| P2O5 | 0.04 | WT% | XRF | |
| TOTAL | 98.88 | WT% | XRF | |
| LOI | 0.86 | WT% | XRF | |
| BA | 670 | PPM | XRF | |
| LA | 74 | PPM | XRF | |
| CE | 122 | PPM | XRF | |
| RB | 103 | PPM | XRF | |
| SR | 72 | PPM | XRF | |
| Y | 63 | PPM | XRF | |
| ZR | 436 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| CO | 1 | PPM | XRF | |
| CR | 3 | PPM | XRF | |
| NI | -2 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| V | 2 | PPM | XRF | |
| CU | 26 | PPM | XRF | |
| PB | 13 | PPM | XRF | |
| ZN | 89 | PPM | XRF |