Sample 618
NavDat sample number 18035 · RHYOLITE
Sample
| Sample ID | 618 |
|---|---|
| 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 | 33.7883 |
|---|---|
| Longitude | -108.43 |
| 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 | 72 | WT% | EDXRF | |
| TIO2 | 0.44 | WT% | EDXRF | |
| AL2O3 | 15.5 | WT% | EDXRF | |
| FEO | 2.63 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.96 | WT% | EDXRF | |
| NA2O | 3.64 | WT% | EDXRF | |
| K2O | 4.19 | WT% | EDXRF | |
| TOTAL | 100.42 | WT% | EDXRF | |
| BA | 748 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.6 | PPM | EDXRF | |
| NI | 13 | PPM | EDXRF | |
| RB | 171 | PPM | EDXRF | |
| SC | 6.1 | PPM | EDXRF | |
| SR | 196 | PPM | EDXRF | |
| TA | 2.4 | PPM | EDXRF | |
| TH | 17.3 | PPM | EDXRF | |
| U | 4.8 | PPM | EDXRF | |
| V | 36 | PPM | EDXRF | |
| Y | 39 | PPM | EDXRF | |
| ZN | 41 | PPM | EDXRF | |
| ZR | 172 | PPM | EDXRF | |
| LA | 38.7 | PPM | EDXRF | |
| CE | 76 | PPM | EDXRF | |
| ND | 44 | PPM | EDXRF | |
| SM | 5.9 | PPM | EDXRF | |
| EU | 1.02 | PPM | EDXRF | |
| TB | 0.81 | PPM | EDXRF | |
| YB | 3.51 | PPM | EDXRF | |
| LU | 0.63 | PPM | EDXRF |