Sample 237
NavDat sample number 17716 · RHYOLITE
Sample
| Sample ID | 237 |
|---|---|
| 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 | 33.0778 |
|---|---|
| Longitude | -108.495 |
| Location | Davis Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.2 | 26.7 | 34.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 79 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 0.52 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.19 | WT% | EDXRF | |
| NA2O | 1.65 | WT% | EDXRF | |
| K2O | 5.97 | WT% | EDXRF | |
| TOTAL | 100.9 | WT% | EDXRF | |
| BA | -30 | PPM | EDXRF | |
| CR | 1.8 | PPM | EDXRF | |
| HF | 3.9 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 287 | PPM | EDXRF | |
| SC | 2 | PPM | EDXRF | |
| SR | 51 | PPM | EDXRF | |
| TA | 1.9 | PPM | EDXRF | |
| TH | 26.2 | PPM | EDXRF | |
| U | 4.6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 38 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 66 | PPM | EDXRF | |
| LA | 27.5 | PPM | EDXRF | |
| CE | 35 | PPM | EDXRF | |
| ND | 13 | PPM | EDXRF | |
| SM | 3.1 | PPM | EDXRF | |
| EU | 0.22 | PPM | EDXRF | |
| TB | 0.45 | PPM | EDXRF | |
| YB | 1.88 | PPM | EDXRF | |
| LU | 0.38 | PPM | EDXRF |