Sample 558
NavDat sample number 17985 · RHYOLITE
Sample
| Sample ID | 558 |
|---|---|
| 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 | 33.6067 |
|---|---|
| Longitude | -109.033 |
| Location | Railroad canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23 | 22 | 24 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 79 | WT% | EDXRF | |
| TIO2 | 0.1 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 1 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.18 | WT% | EDXRF | |
| NA2O | 3.6 | WT% | EDXRF | |
| K2O | 4.68 | WT% | EDXRF | |
| TOTAL | 100.11 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 6.2 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 382 | PPM | EDXRF | |
| SC | 2.9 | PPM | EDXRF | |
| SR | 4 | PPM | EDXRF | |
| TA | 3.8 | PPM | EDXRF | |
| TH | 36.5 | PPM | EDXRF | |
| U | 7.2 | PPM | EDXRF | |
| V | 11 | PPM | EDXRF | |
| Y | 66 | PPM | EDXRF | |
| ZN | 38 | PPM | EDXRF | |
| ZR | 137 | PPM | EDXRF | |
| LA | 40.8 | PPM | EDXRF | |
| CE | 113 | PPM | EDXRF | |
| SM | 9.5 | PPM | EDXRF | |
| EU | -0.3 | PPM | EDXRF | |
| TB | 1.47 | PPM | EDXRF | |
| YB | 7.95 | PPM | EDXRF | |
| LU | 1.23 | PPM | EDXRF |