Sample 251
NavDat sample number 17729 · RHYOLITE
Sample
| Sample ID | 251 |
|---|---|
| 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 | 33.9 |
|---|---|
| Longitude | -108.254 |
| Location | Wye Hill |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.3 | 26.7 | 34.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.27 | WT% | EDXRF | |
| TIO2 | 0.56 | WT% | EDXRF | |
| AL2O3 | 13.8 | WT% | EDXRF | |
| FEO | 0.46 | WT% | EDXRF | |
| FE2O3 | 2.44 | WT% | EDXRF | |
| MNO | 0.13 | WT% | EDXRF | |
| MGO | 0.31 | WT% | EDXRF | |
| CAO | 0.08 | WT% | EDXRF | |
| NA2O | 4.12 | WT% | EDXRF | |
| K2O | 5.95 | WT% | EDXRF | |
| P2O5 | 0.1 | WT% | EDXRF | |
| H2O_PLUS | 1.92 | WT% | EDXRF | |
| TOTAL | 100.24 | WT% | EDXRF | |
| BA | 632 | PPM | EDXRF | |
| CR | 17 | PPM | EDXRF | |
| HF | 17.4 | PPM | EDXRF | |
| NI | 17 | PPM | EDXRF | |
| RB | 157 | PPM | EDXRF | |
| SC | 10.5 | PPM | EDXRF | |
| SR | 13 | PPM | EDXRF | |
| TA | 9.2 | PPM | EDXRF | |
| TH | 16.1 | PPM | EDXRF | |
| U | 4.9 | PPM | EDXRF | |
| V | 35 | PPM | EDXRF | |
| Y | 67 | PPM | EDXRF | |
| ZN | 106 | PPM | EDXRF | |
| ZR | 861 | PPM | EDXRF | |
| LA | 66.1 | PPM | EDXRF | |
| CE | 120 | PPM | EDXRF | |
| ND | 63 | PPM | EDXRF | |
| SM | 14.8 | PPM | EDXRF | |
| EU | 5.04 | PPM | EDXRF | |
| TB | 1.59 | PPM | EDXRF | |
| YB | 6.1 | PPM | EDXRF | |
| LU | -0.1 | PPM | EDXRF |