Sample 306
NavDat sample number 17780 · RHYOLITE
Sample
| Sample ID | 306 |
|---|---|
| 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 | 33.0819 |
|---|---|
| Longitude | -108.487 |
| Location | Davis canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.2 | 28.2 | 30.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 0.87 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 0.22 | WT% | EDXRF | |
| NA2O | 2.59 | WT% | EDXRF | |
| K2O | 6.42 | WT% | EDXRF | |
| TOTAL | 100.75 | WT% | EDXRF | |
| BA | 150 | PPM | EDXRF | |
| CR | 1.7 | PPM | EDXRF | |
| HF | 4.9 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 222 | PPM | EDXRF | |
| SC | 3.1 | PPM | EDXRF | |
| SR | 26 | PPM | EDXRF | |
| TA | 0.9 | PPM | EDXRF | |
| TH | 21.6 | PPM | EDXRF | |
| U | 3.6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 47 | PPM | EDXRF | |
| ZR | 132 | PPM | EDXRF | |
| LA | 32.5 | PPM | EDXRF | |
| CE | 56 | PPM | EDXRF | |
| ND | 17 | PPM | EDXRF | |
| SM | 4.2 | PPM | EDXRF | |
| EU | 0.27 | PPM | EDXRF | |
| TB | 0.34 | PPM | EDXRF | |
| YB | 2.38 | PPM | EDXRF | |
| LU | 0.46 | PPM | EDXRF |