Sample 338
NavDat sample number 17804 · RHYODACITE
Sample
| Sample ID | 338 |
|---|---|
| Rock name | RHYODACITE |
| 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 | 33.0717 |
|---|---|
| Longitude | -108.412 |
| Location | Shelley peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.7 | 26 | 29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | 724 | PPM | EDXRF | |
| CR | 12 | PPM | EDXRF | |
| HF | 8.8 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| RB | 154 | PPM | EDXRF | |
| SC | 5.7 | PPM | EDXRF | |
| SR | 244 | PPM | EDXRF | |
| TA | 1.1 | PPM | EDXRF | |
| TH | 16.6 | PPM | EDXRF | |
| V | 31 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 34 | PPM | EDXRF | |
| ZR | 297 | PPM | EDXRF | |
| LA | 53 | PPM | EDXRF | |
| CE | 112 | PPM | EDXRF | |
| ND | 37 | PPM | EDXRF | |
| SM | 7.5 | PPM | EDXRF | |
| EU | 1.64 | PPM | EDXRF | |
| TB | 1.17 | PPM | EDXRF | |
| YB | 3.3 | PPM | EDXRF | |
| LU | 0.55 | PPM | EDXRF | |
| SIO2 | 69.8 | WT% | EDXRF | |
| TIO2 | 0.43 | WT% | EDXRF | |
| AL2O3 | 14.9 | WT% | EDXRF | |
| FEO | 0.32 | WT% | EDXRF | |
| FE2O3 | 2 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | 0.39 | WT% | EDXRF | |
| CAO | 1.9 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 4.8 | WT% | EDXRF | |
| P2O5 | 0.18 | WT% | EDXRF | |
| H2O_PLUS | 1.1 | WT% | EDXRF | |
| TOTAL | 99.94 | WT% | EDXRF |