Sample 478
NavDat sample number 17927 · RHYOLITE
Sample
| Sample ID | 478 |
|---|---|
| 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 | 33.1164 |
|---|---|
| Longitude | -108.006 |
| Location | Rocky canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26 | 23 | 30 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75 | WT% | EDXRF | |
| TIO2 | 0.16 | WT% | EDXRF | |
| AL2O3 | 13.5 | WT% | EDXRF | |
| FEO | 0.97 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.26 | WT% | EDXRF | |
| NA2O | 3.56 | WT% | EDXRF | |
| K2O | 5 | WT% | EDXRF | |
| TOTAL | 98.5 | WT% | EDXRF | |
| BA | 103 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 252 | PPM | EDXRF | |
| SC | 3.5 | PPM | EDXRF | |
| SR | 11 | PPM | EDXRF | |
| TA | 2.3 | PPM | EDXRF | |
| TH | 25.1 | PPM | EDXRF | |
| U | 5.8 | PPM | EDXRF | |
| V | 12 | PPM | EDXRF | |
| Y | 60 | PPM | EDXRF | |
| ZN | 52 | PPM | EDXRF | |
| ZR | 165 | PPM | EDXRF | |
| LA | 59.5 | PPM | EDXRF | |
| CE | 116 | PPM | EDXRF | |
| ND | 52 | PPM | EDXRF | |
| SM | 11.7 | PPM | EDXRF | |
| EU | 1.1 | PPM | EDXRF | |
| TB | 1.32 | PPM | EDXRF | |
| YB | 6.21 | PPM | EDXRF | |
| LU | 1.01 | PPM | EDXRF |