Sample 213
NavDat sample number 17692 · RHYOLITE
Sample
| Sample ID | 213 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 33.9056 |
|---|---|
| Longitude | -107.459 |
| Location | A-L peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.8 | 28 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78 | WT% | EDXRF | |
| TIO2 | 0.11 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 0.8 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.28 | WT% | EDXRF | |
| NA2O | 3.56 | WT% | EDXRF | |
| K2O | 4.55 | WT% | EDXRF | |
| TOTAL | 100.84 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.7 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 253 | PPM | EDXRF | |
| SC | 2.6 | PPM | EDXRF | |
| SR | 10 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 25.7 | PPM | EDXRF | |
| U | 4.8 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 49 | PPM | EDXRF | |
| ZN | 42 | PPM | EDXRF | |
| ZR | 80 | PPM | EDXRF | |
| LA | 29.3 | PPM | EDXRF | |
| CE | 68 | PPM | EDXRF | |
| SM | 4 | PPM | EDXRF | |
| EU | -0.3 | PPM | EDXRF | |
| TB | 0.87 | PPM | EDXRF | |
| YB | 4.69 | PPM | EDXRF | |
| LU | 0.74 | PPM | EDXRF |