Sample 25
NavDat sample number 14889 · RHYOLITE
Sample
| Sample ID | 25 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.72 |
|---|---|
| Longitude | -106.592 |
| Location | South Fork area-Agua Ramon Mountain, 10,200' |
| 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 | 67.6522 | WT% | XRF | |
| TIO2 | 0.436793 | WT% | XRF | |
| AL2O3 | 15.7449 | WT% | XRF | |
| FE2O3 | 3.60608 | WT% | XRF | |
| MGO | 1.23927 | WT% | XRF | |
| CAO | 3.29119 | WT% | XRF | |
| NA2O | 3.2404 | WT% | XRF | |
| K2O | 3.51466 | WT% | XRF | |
| P2O5 | 0.162528 | WT% | XRF | |
| MNO | 0.132054 | WT% | XRF | |
| LOI | 1.54 | WT% | XRF | |
| TOTAL | 99.02 | WT% | XRF | |
| ZN | 58 | PPM | XRF | |
| RB | 58 | PPM | XRF | |
| SR | 127 | PPM | XRF | |
| Y | 6.3 | PPM | XRF | |
| ZR | 181 | PPM | XRF | |
| BA | 790 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| TH | 13.3 | PPM | INAA | |
| U | 4.3 | PPM | INAA | |
| LA | 45.4 | PPM | INAA | |
| CE | 78.7 | PPM | INAA | |
| ND | 31.1 | PPM | INAA | |
| SM | 5.58 | PPM | INAA | |
| EU | 1.12 | PPM | INAA | |
| GD | 5.9 | PPM | INAA | |
| YB | 3.01 | PPM | INAA | |
| LU | 0.25 | PPM | INAA | |
| TA | 1.02 | PPM | INAA | |
| HF | 3.05 | PPM | INAA | |
| SC | 5.9 | PPM | INAA |