Sample 488
NavDat sample number 17937 · RHYOLITE
Sample
| Sample ID | 488 |
|---|---|
| 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 | 33.5403 |
|---|---|
| Longitude | -108.232 |
| Location | Jerky mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 23 | 30 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.63 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 11 | WT% | EDXRF | |
| FEO | 0.9 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | -0.05 | WT% | EDXRF | |
| NA2O | 3.73 | WT% | EDXRF | |
| K2O | 4.47 | WT% | EDXRF | |
| TOTAL | 97.9 | WT% | EDXRF | |
| BA | -30 | PPM | EDXRF | |
| CR | -1 | PPM | EDXRF | |
| HF | 7.5 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 274 | PPM | EDXRF | |
| SC | 2.7 | PPM | EDXRF | |
| SR | 4 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 30.6 | PPM | EDXRF | |
| U | 7.5 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 66 | PPM | EDXRF | |
| ZN | 43 | PPM | EDXRF | |
| ZR | 161 | PPM | EDXRF | |
| LA | 28.7 | PPM | EDXRF | |
| CE | 57 | PPM | EDXRF | |
| ND | 27 | PPM | EDXRF | |
| SM | 8.6 | PPM | EDXRF | |
| EU | 0.3 | PPM | EDXRF | |
| TB | 0.93 | PPM | EDXRF | |
| YB | 5.06 | PPM | EDXRF | |
| LU | 0.98 | PPM | EDXRF |