Sample 452
NavDat sample number 17912 · RHYOLITE
Sample
| Sample ID | 452 |
|---|---|
| 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 | 33.3769 |
|---|---|
| Longitude | -108.455 |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 23 | 31 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | EDXRF | |
| TIO2 | 0.13 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 0.95 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.24 | WT% | EDXRF | |
| NA2O | 4.02 | WT% | EDXRF | |
| K2O | 4.65 | WT% | EDXRF | |
| TOTAL | 100.05 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 221 | PPM | EDXRF | |
| SC | 2.6 | PPM | EDXRF | |
| SR | 16 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 28.2 | PPM | EDXRF | |
| U | 5.6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 43 | PPM | EDXRF | |
| ZN | 49 | PPM | EDXRF | |
| ZR | 165 | PPM | EDXRF | |
| LA | 43.3 | PPM | EDXRF | |
| CE | 83 | PPM | EDXRF | |
| SM | 5.1 | PPM | EDXRF | |
| EU | 0.47 | PPM | EDXRF | |
| TB | 0.92 | PPM | EDXRF | |
| YB | 4.19 | PPM | EDXRF | |
| LU | 0.62 | PPM | EDXRF |