Sample 450
NavDat sample number 17910 · RHYOLITE
Sample
| Sample ID | 450 |
|---|---|
| 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 | 33.0906 |
|---|---|
| Longitude | -108.529 |
| 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 | 0.14 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 0.93 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | -0.05 | WT% | EDXRF | |
| NA2O | 3.61 | WT% | EDXRF | |
| K2O | 4.75 | WT% | EDXRF | |
| TOTAL | 98.48 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 9 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 277 | PPM | EDXRF | |
| SC | 3.4 | PPM | EDXRF | |
| SR | 3 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 29.3 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 39 | PPM | EDXRF | |
| ZN | 46 | PPM | EDXRF | |
| ZR | 151 | PPM | EDXRF | |
| LA | 13.2 | PPM | EDXRF | |
| CE | 44 | PPM | EDXRF | |
| SM | 2.8 | PPM | EDXRF | |
| EU | 0.37 | PPM | EDXRF | |
| TB | 0.6 | PPM | EDXRF | |
| YB | 4.11 | PPM | EDXRF | |
| LU | 0.61 | PPM | EDXRF |