Sample 234
NavDat sample number 17713 · RHYOLITE
Sample
| Sample ID | 234 |
|---|---|
| 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 | 33.3917 |
|---|---|
| Longitude | -108.829 |
| 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.14 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 0.85 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 3.01 | WT% | EDXRF | |
| NA2O | 4.02 | WT% | EDXRF | |
| K2O | 3.39 | WT% | EDXRF | |
| TOTAL | 100.49 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 6.6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 90 | PPM | EDXRF | |
| SC | 3.6 | PPM | EDXRF | |
| SR | 241 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 23.6 | PPM | EDXRF | |
| U | 2.1 | PPM | EDXRF | |
| V | 13 | PPM | EDXRF | |
| Y | 31 | PPM | EDXRF | |
| ZN | 23 | PPM | EDXRF | |
| ZR | 124 | PPM | EDXRF | |
| LA | 33.1 | PPM | EDXRF | |
| CE | 77 | PPM | EDXRF | |
| SM | 4.7 | PPM | EDXRF | |
| EU | 0.44 | PPM | EDXRF | |
| TB | 0.99 | PPM | EDXRF | |
| YB | 4.11 | PPM | EDXRF | |
| LU | 0.59 | PPM | EDXRF |