Sample 619
NavDat sample number 18036 · RHYODACITE
Sample
| Sample ID | 619 |
|---|---|
| Rock name | RHYODACITE |
| 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 | 33.6953 |
|---|---|
| Longitude | -108.471 |
| Location | John Kerr peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21.4 | 18 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.82 | WT% | EDXRF | |
| TIO2 | 0.55 | WT% | EDXRF | |
| AL2O3 | 15.4 | WT% | EDXRF | |
| FEO | 3.49 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 1.36 | WT% | EDXRF | |
| CAO | 3.12 | WT% | EDXRF | |
| NA2O | 4.1 | WT% | EDXRF | |
| K2O | 3.23 | WT% | EDXRF | |
| P2O5 | 0.12 | WT% | EDXRF | |
| TOTAL | 99.26 | WT% | EDXRF | |
| BA | 628 | PPM | EDXRF | |
| CR | 16 | PPM | EDXRF | |
| HF | 4.7 | PPM | EDXRF | |
| NI | 14 | PPM | EDXRF | |
| RB | 113 | PPM | EDXRF | |
| SC | 7.5 | PPM | EDXRF | |
| SR | 332 | PPM | EDXRF | |
| TA | 1.8 | PPM | EDXRF | |
| TH | 12 | PPM | EDXRF | |
| U | 3.1 | PPM | EDXRF | |
| V | 44 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZN | 51 | PPM | EDXRF | |
| ZR | 183 | PPM | EDXRF | |
| LA | 34.7 | PPM | EDXRF | |
| CE | 56 | PPM | EDXRF | |
| ND | 44 | PPM | EDXRF | |
| SM | 5.8 | PPM | EDXRF | |
| EU | 1.18 | PPM | EDXRF | |
| TB | 0.83 | PPM | EDXRF | |
| YB | 2.49 | PPM | EDXRF | |
| LU | 0.42 | PPM | EDXRF |