Sample 294
NavDat sample number 17768 · RHYOLITE
Sample
| Sample ID | 294 |
|---|---|
| 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 | 33.7386 |
|---|---|
| Longitude | -107.366 |
| Location | Beartrap canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.5 | 27.8 | 31.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 0.67 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.41 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 5.09 | WT% | EDXRF | |
| TOTAL | 98.85 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 246 | PPM | EDXRF | |
| SC | 2.5 | PPM | EDXRF | |
| SR | 14 | PPM | EDXRF | |
| TA | 2.1 | PPM | EDXRF | |
| TH | 26 | PPM | EDXRF | |
| U | 5.8 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 51 | PPM | EDXRF | |
| ZN | 30 | PPM | EDXRF | |
| ZR | 79 | PPM | EDXRF | |
| LA | 41.8 | PPM | EDXRF | |
| CE | 85 | PPM | EDXRF | |
| EU | 0.58 | PPM | EDXRF | |
| TB | 1.08 | PPM | EDXRF | |
| YB | 5.42 | PPM | EDXRF | |
| LU | 0.85 | PPM | EDXRF |