Sample 445
NavDat sample number 17905 · RHYOLITE
Sample
| Sample ID | 445 |
|---|---|
| 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 | 33.3547 |
|---|---|
| Longitude | -108.756 |
| 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 0.79 | WT% | EDXRF | |
| MNO | 0.01 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.31 | WT% | EDXRF | |
| NA2O | 1.92 | WT% | EDXRF | |
| K2O | 7.78 | WT% | EDXRF | |
| TOTAL | 100.43 | WT% | EDXRF | |
| BA | 100 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.3 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 452 | PPM | EDXRF | |
| SC | 2.4 | PPM | EDXRF | |
| SR | 22 | PPM | EDXRF | |
| TA | 1.6 | PPM | EDXRF | |
| U | 4.7 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 46 | PPM | EDXRF | |
| ZN | 20 | PPM | EDXRF | |
| ZR | 112 | PPM | EDXRF | |
| LA | 36.2 | PPM | EDXRF | |
| ND | 29 | PPM | EDXRF | |
| SM | 3.7 | PPM | EDXRF | |
| EU | 0.51 | PPM | EDXRF | |
| TB | 0.6 | PPM | EDXRF | |
| YB | 3.48 | PPM | EDXRF | |
| LU | 0.55 | PPM | EDXRF |