Sample 561
NavDat sample number 17988 · RHYOLITE
Sample
| Sample ID | 561 |
|---|---|
| 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 | 33.6842 |
|---|---|
| Longitude | -108.336 |
| 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 | 76 | WT% | EDXRF | |
| TIO2 | 0.2 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 1.38 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.54 | WT% | EDXRF | |
| NA2O | 3.92 | WT% | EDXRF | |
| K2O | 4.69 | WT% | EDXRF | |
| TOTAL | 98.79 | WT% | EDXRF | |
| BA | 153 | PPM | EDXRF | |
| CR | 7.6 | PPM | EDXRF | |
| HF | 9.1 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 239 | PPM | EDXRF | |
| SC | 4 | PPM | EDXRF | |
| SR | 42 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 24.2 | PPM | EDXRF | |
| U | 5.9 | PPM | EDXRF | |
| V | 15 | PPM | EDXRF | |
| Y | 70 | PPM | EDXRF | |
| ZN | 41 | PPM | EDXRF | |
| ZR | 205 | PPM | EDXRF | |
| LA | 42.2 | PPM | EDXRF | |
| CE | 88 | PPM | EDXRF | |
| ND | 41 | PPM | EDXRF | |
| SM | 12.3 | PPM | EDXRF | |
| EU | 0.96 | PPM | EDXRF | |
| TB | 1.68 | PPM | EDXRF | |
| YB | 6.2 | PPM | EDXRF | |
| LU | 0.98 | PPM | EDXRF |