Sample 236
NavDat sample number 17715 · RHYOLITE
Sample
| Sample ID | 236 |
|---|---|
| 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 | 33.0786 |
|---|---|
| Longitude | -108.494 |
| Location | Fall Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.5 | 26.7 | 34.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 0.59 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 1.5 | WT% | EDXRF | |
| CAO | 0.36 | WT% | EDXRF | |
| NA2O | 1.75 | WT% | EDXRF | |
| K2O | 6.38 | WT% | EDXRF | |
| TOTAL | 100.2 | WT% | EDXRF | |
| BA | 103 | PPM | EDXRF | |
| CR | 5.9 | PPM | EDXRF | |
| HF | 2.4 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 292 | PPM | EDXRF | |
| SC | 2.4 | PPM | EDXRF | |
| SR | 59 | PPM | EDXRF | |
| TA | 1.5 | PPM | EDXRF | |
| TH | 25.6 | PPM | EDXRF | |
| U | 2.3 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 37 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 75 | PPM | EDXRF | |
| LA | 22.9 | PPM | EDXRF | |
| CE | 41 | PPM | EDXRF | |
| ND | -10 | PPM | EDXRF | |
| SM | 2.5 | PPM | EDXRF | |
| EU | 0.19 | PPM | EDXRF | |
| TB | 0.38 | PPM | EDXRF | |
| YB | 1.74 | PPM | EDXRF | |
| LU | 0.43 | PPM | EDXRF |