Sample 442
NavDat sample number 17902 · RHYOLITE
Sample
| Sample ID | 442 |
|---|---|
| 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 | 33.3697 |
|---|---|
| Longitude | -108.702 |
| 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 0.64 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.22 | WT% | EDXRF | |
| NA2O | 4.02 | WT% | EDXRF | |
| K2O | 4.18 | WT% | EDXRF | |
| TOTAL | 98.17 | WT% | EDXRF | |
| BA | 92 | PPM | EDXRF | |
| CR | 8.3 | PPM | EDXRF | |
| HF | 4.2 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 255 | PPM | EDXRF | |
| SC | 2.2 | PPM | EDXRF | |
| SR | 3 | PPM | EDXRF | |
| TA | 2.5 | PPM | EDXRF | |
| TH | 28.6 | PPM | EDXRF | |
| U | 4.9 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 40 | PPM | EDXRF | |
| ZN | 28 | PPM | EDXRF | |
| ZR | 65 | PPM | EDXRF | |
| LA | 28.2 | PPM | EDXRF | |
| CE | 57 | PPM | EDXRF | |
| SM | 2.2 | PPM | EDXRF | |
| EU | 0.34 | PPM | EDXRF | |
| TB | 0.51 | PPM | EDXRF | |
| YB | 3.54 | PPM | EDXRF | |
| LU | 0.48 | PPM | EDXRF |