Sample 454
NavDat sample number 17914 · RHYOLITE
Sample
| Sample ID | 454 |
|---|---|
| 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 | 33.4006 |
|---|---|
| Longitude | -108.374 |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27 | 23 | 31 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 79 | WT% | EDXRF | |
| TIO2 | 0.11 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 1.86 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.3 | WT% | EDXRF | |
| NA2O | 2.11 | WT% | EDXRF | |
| K2O | 4.43 | WT% | EDXRF | |
| TOTAL | 98.36 | WT% | EDXRF | |
| BA | 304 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.1 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 226 | PPM | EDXRF | |
| SC | 2.5 | PPM | EDXRF | |
| SR | 17 | PPM | EDXRF | |
| TA | 1.5 | PPM | EDXRF | |
| TH | 34.2 | PPM | EDXRF | |
| U | 5.5 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 36 | PPM | EDXRF | |
| ZN | 33 | PPM | EDXRF | |
| ZR | 99 | PPM | EDXRF | |
| LA | 36.6 | PPM | EDXRF | |
| CE | 51 | PPM | EDXRF | |
| SM | 1.6 | PPM | EDXRF | |
| EU | 0.33 | PPM | EDXRF | |
| TB | 0.42 | PPM | EDXRF | |
| YB | 2.32 | PPM | EDXRF | |
| LU | 0.37 | PPM | EDXRF |