Sample 448
NavDat sample number 17908 · RHYOLITE
Sample
| Sample ID | 448 |
|---|---|
| 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 | 33.3581 |
|---|---|
| Longitude | -108.76 |
| 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 |
|---|---|---|---|---|
| BA | 240 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 473 | PPM | EDXRF | |
| SC | 2.4 | PPM | EDXRF | |
| SR | 36 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 25.7 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 47 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 126 | PPM | EDXRF | |
| LA | 37.7 | PPM | EDXRF | |
| CE | 80 | PPM | EDXRF | |
| ND | 26 | PPM | EDXRF | |
| SM | 3.8 | PPM | EDXRF | |
| EU | 0.58 | PPM | EDXRF | |
| TB | 0.72 | PPM | EDXRF | |
| YB | 3.64 | PPM | EDXRF | |
| LU | 0.54 | PPM | EDXRF | |
| SIO2 | 76.3 | WT% | EDXRF | |
| TIO2 | 0.17 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 0.04 | WT% | EDXRF | |
| FE2O3 | 0.82 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 0.22 | WT% | EDXRF | |
| CAO | 0.67 | WT% | EDXRF | |
| NA2O | 1.7 | WT% | EDXRF | |
| K2O | 7.8 | WT% | EDXRF | |
| H2O_PLUS | 0.76 | WT% | EDXRF | |
| TOTAL | 100.08 | WT% | EDXRF |