Sample 303
NavDat sample number 17777 · RHYOLITE
Sample
| Sample ID | 303 |
|---|---|
| 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 | 33.6142 |
|---|---|
| Longitude | -108.891 |
| Location | Davis canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.2 | 28.2 | 30.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 1.69 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.21 | WT% | EDXRF | |
| NA2O | 3.98 | WT% | EDXRF | |
| K2O | 4.27 | WT% | EDXRF | |
| TOTAL | 98.83 | WT% | EDXRF | |
| BA | 711 | PPM | EDXRF | |
| CR | 6.3 | PPM | EDXRF | |
| HF | 5.7 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 209 | PPM | EDXRF | |
| SC | 4.5 | PPM | EDXRF | |
| SR | 16 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 19.7 | PPM | EDXRF | |
| U | 4.9 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 47 | PPM | EDXRF | |
| ZN | 34 | PPM | EDXRF | |
| ZR | 131 | PPM | EDXRF | |
| LA | 45.7 | PPM | EDXRF | |
| CE | 90 | PPM | EDXRF | |
| SM | 5.7 | PPM | EDXRF | |
| EU | 1.06 | PPM | EDXRF | |
| TB | 0.53 | PPM | EDXRF | |
| YB | 3.18 | PPM | EDXRF | |
| LU | 0.47 | PPM | EDXRF |