Sample 291
NavDat sample number 17765 · RHYOLITE
Sample
| Sample ID | 291 |
|---|---|
| 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 | 33.9408 |
|---|---|
| Longitude | -107.548 |
| Location | Beartrap canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.5 | 27.8 | 31.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | -30 | PPM | EDXRF | |
| CR | 8.4 | PPM | EDXRF | |
| HF | 8.5 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 218 | PPM | EDXRF | |
| SC | 2.5 | PPM | EDXRF | |
| SR | 4 | PPM | EDXRF | |
| TA | 2.5 | PPM | EDXRF | |
| TH | 26.8 | PPM | EDXRF | |
| U | 5.6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 63 | PPM | EDXRF | |
| ZN | 37 | PPM | EDXRF | |
| ZR | 163 | PPM | EDXRF | |
| LA | 42.8 | PPM | EDXRF | |
| CE | 102 | PPM | EDXRF | |
| ND | 28 | PPM | EDXRF | |
| SM | 7.7 | PPM | EDXRF | |
| EU | 0.59 | PPM | EDXRF | |
| TB | 1.02 | PPM | EDXRF | |
| YB | 4.97 | PPM | EDXRF | |
| LU | 0.8 | PPM | EDXRF | |
| SIO2 | 76.36 | WT% | EDXRF | |
| TIO2 | 0.17 | WT% | EDXRF | |
| AL2O3 | 12.61 | WT% | EDXRF | |
| FEO | 0.13 | WT% | EDXRF | |
| FE2O3 | 0.92 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 0.09 | WT% | EDXRF | |
| CAO | 0.16 | WT% | EDXRF | |
| NA2O | 4.29 | WT% | EDXRF | |
| K2O | 5.18 | WT% | EDXRF | |
| P2O5 | 0.01 | WT% | EDXRF | |
| H2O_PLUS | 0.5 | WT% | EDXRF | |
| TOTAL | 100.52 | WT% | EDXRF |