Sample 659
NavDat sample number 18069 · RHYOLITE
Sample
| Sample ID | 659 |
|---|---|
| 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 | 33.1083 |
|---|---|
| Longitude | -109.045 |
| Location | Mule mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 18.6 | 16 | 20 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 0.87 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.46 | WT% | EDXRF | |
| NA2O | 2 | WT% | EDXRF | |
| K2O | 4.72 | WT% | EDXRF | |
| TOTAL | 95.64 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 244 | PPM | EDXRF | |
| SR | 15 | PPM | EDXRF | |
| TH | 32.5 | PPM | EDXRF | |
| U | 5.6 | PPM | EDXRF | |
| V | 10 | PPM | EDXRF | |
| Y | 44 | PPM | EDXRF | |
| ZN | 42 | PPM | EDXRF | |
| ZR | 76 | PPM | EDXRF |