Sample 235
NavDat sample number 17714 · RHYOLITE
Sample
| Sample ID | 235 |
|---|---|
| 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 | 33.0789 |
|---|---|
| Longitude | -108.493 |
| Location | Fall Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.5 | 26.7 | 34.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 79 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12 | WT% | EDXRF | |
| FEO | 0.53 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.16 | WT% | EDXRF | |
| NA2O | 1.78 | WT% | EDXRF | |
| K2O | 5.39 | WT% | EDXRF | |
| TOTAL | 98.94 | WT% | EDXRF | |
| BA | 256 | PPM | EDXRF | |
| CR | 3.8 | PPM | EDXRF | |
| HF | 2.2 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 2320 | PPM | EDXRF | |
| SC | 1.8 | PPM | EDXRF | |
| SR | 420 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 19.2 | PPM | EDXRF | |
| U | 3 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 36 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 45 | PPM | EDXRF | |
| LA | 18.6 | PPM | EDXRF | |
| CE | 33 | PPM | EDXRF | |
| ND | -10 | PPM | EDXRF | |
| SM | 2.6 | PPM | EDXRF | |
| EU | 0.13 | PPM | EDXRF | |
| TB | 0.47 | PPM | EDXRF | |
| YB | 2.03 | PPM | EDXRF | |
| LU | 0.36 | PPM | EDXRF |