Sample 580
NavDat sample number 18005 · RHYOLITE
Sample
| Sample ID | 580 |
|---|---|
| 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 | 33.9886 |
|---|---|
| Longitude | -108.075 |
| Location | Horse mountain |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.5 | 20.5 | 24.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.35 | WT% | EDXRF | |
| TIO2 | 0.48 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 2.95 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 2.02 | WT% | EDXRF | |
| NA2O | 3.76 | WT% | EDXRF | |
| K2O | 4.03 | WT% | EDXRF | |
| TOTAL | 96.15 | WT% | EDXRF | |
| BA | 726 | PPM | EDXRF | |
| CR | 7.6 | PPM | EDXRF | |
| HF | 5.9 | PPM | EDXRF | |
| NI | 14 | PPM | EDXRF | |
| RB | 146 | PPM | EDXRF | |
| SC | 6.5 | PPM | EDXRF | |
| SR | 166 | PPM | EDXRF | |
| TA | 2.5 | PPM | EDXRF | |
| TH | 14.7 | PPM | EDXRF | |
| U | 3.8 | PPM | EDXRF | |
| V | 38 | PPM | EDXRF | |
| Y | 38 | PPM | EDXRF | |
| ZN | 54 | PPM | EDXRF | |
| ZR | 206 | PPM | EDXRF | |
| LA | 42.1 | PPM | EDXRF | |
| CE | 83 | PPM | EDXRF | |
| SM | 6.2 | PPM | EDXRF | |
| EU | 1.12 | PPM | EDXRF | |
| YB | 3.94 | PPM | EDXRF | |
| LU | 0.57 | PPM | EDXRF |