Sample 16
NavDat sample number 14882 · RHYOLITE
Sample
| Sample ID | 16 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.548 |
|---|---|
| Longitude | -106.641 |
| Location | South Fork area-Beaver Creek, 9,560' |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.5 | 28.4 | 28.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.81 | WT% | XRF | |
| TIO2 | 0.48 | WT% | XRF | |
| AL2O3 | 15.51 | WT% | XRF | |
| FE2O3 | 4.37 | WT% | XRF | |
| MGO | 1.05 | WT% | XRF | |
| CAO | 3.01 | WT% | XRF | |
| NA2O | 3.01 | WT% | XRF | |
| K2O | 3.81 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 0.75 | WT% | XRF | |
| TOTAL | 99.37 | WT% | XRF | |
| ZN | 62 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 128 | PPM | XRF | |
| Y | 6.6 | PPM | XRF | |
| ZR | 179 | PPM | XRF | |
| BA | 823 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| TH | 13.4 | PPM | INAA | |
| U | 5.3 | PPM | INAA | |
| LA | 46.4 | PPM | INAA | |
| CE | 83.5 | PPM | INAA | |
| SM | 5.97 | PPM | INAA | |
| EU | 1.33 | PPM | INAA | |
| GD | 6.4 | PPM | INAA | |
| YB | 2.65 | PPM | INAA | |
| LU | 0.24 | PPM | INAA | |
| TA | 1.14 | PPM | INAA | |
| HF | 3.47 | PPM | INAA | |
| SC | 6.7 | PPM | INAA |