Sample 407
NavDat sample number 17871 · RHYOLITE
Sample
| Sample ID | 407 |
|---|---|
| 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 | 33.2781 |
|---|---|
| Longitude | -108.641 |
| 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 |
|---|---|---|---|---|
| BA | -50 | PPM | EDXRF | |
| CR | 5.4 | PPM | EDXRF | |
| HF | 8.1 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 315 | PPM | EDXRF | |
| SC | 3.8 | PPM | EDXRF | |
| SR | 17 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 28.7 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 68 | PPM | EDXRF | |
| ZN | 70 | PPM | EDXRF | |
| ZR | 190 | PPM | EDXRF | |
| LA | 14.8 | PPM | EDXRF | |
| CE | 99 | PPM | EDXRF | |
| SM | 3 | PPM | EDXRF | |
| EU | -0.3 | PPM | EDXRF | |
| TB | 1.4 | PPM | EDXRF | |
| YB | 3.36 | PPM | EDXRF | |
| LU | 0.79 | PPM | EDXRF | |
| SIO2 | 75.2 | WT% | EDXRF | |
| TIO2 | 0.13 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FEO | 0.28 | WT% | EDXRF | |
| FE2O3 | 1 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 0.16 | WT% | EDXRF | |
| CAO | 0.18 | WT% | EDXRF | |
| NA2O | 3.8 | WT% | EDXRF | |
| K2O | 5.3 | WT% | EDXRF | |
| P2O5 | 0.02 | WT% | EDXRF | |
| H2O_PLUS | 0.42 | WT% | EDXRF | |
| TOTAL | 99.32 | WT% | EDXRF |