Sample 418
NavDat sample number 17880 · RHYOLITE
Sample
| Sample ID | 418 |
|---|---|
| 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 | 33.3942 |
|---|---|
| Longitude | -108.672 |
| Location | Apache springs |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 26.5 | 28.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.01 | WT% | EDXRF | |
| TIO2 | 0.42 | WT% | EDXRF | |
| AL2O3 | 14.76 | WT% | EDXRF | |
| FEO | 0.17 | WT% | EDXRF | |
| FE2O3 | 1.94 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 0.35 | WT% | EDXRF | |
| CAO | 0.71 | WT% | EDXRF | |
| NA2O | 4.3 | WT% | EDXRF | |
| K2O | 5.9 | WT% | EDXRF | |
| P2O5 | 0.01 | WT% | EDXRF | |
| H2O_PLUS | 0.7 | WT% | EDXRF | |
| TOTAL | 100.89 | WT% | EDXRF | |
| BA | 340 | PPM | EDXRF | |
| CR | 8.4 | PPM | EDXRF | |
| HF | 9.4 | PPM | EDXRF | |
| NI | 7 | PPM | EDXRF | |
| RB | 185 | PPM | EDXRF | |
| SC | 5 | PPM | EDXRF | |
| SR | 66 | PPM | EDXRF | |
| TA | 1.7 | PPM | EDXRF | |
| TH | 23.7 | PPM | EDXRF | |
| U | 4.9 | PPM | EDXRF | |
| V | 24 | PPM | EDXRF | |
| Y | 73 | PPM | EDXRF | |
| ZN | 59 | PPM | EDXRF | |
| ZR | 353 | PPM | EDXRF | |
| LA | 81 | PPM | EDXRF | |
| CE | 137 | PPM | EDXRF | |
| ND | 58 | PPM | EDXRF | |
| SM | 18.7 | PPM | EDXRF | |
| EU | 1.55 | PPM | EDXRF | |
| TB | 1.45 | PPM | EDXRF | |
| YB | 5.57 | PPM | EDXRF | |
| LU | 0.93 | PPM | EDXRF |