Sample 201
NavDat sample number 17680 · RHYODACITE
Sample
| Sample ID | 201 |
|---|---|
| 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 | 32.8981 |
|---|---|
| Longitude | -108.243 |
| Location | Tadpole Ridge |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.8 | 30.8 | 32.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69 | WT% | EDXRF | |
| TIO2 | 0.55 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 2.41 | WT% | EDXRF | |
| MNO | 0.09 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.93 | WT% | EDXRF | |
| NA2O | 4.55 | WT% | EDXRF | |
| K2O | 3.96 | WT% | EDXRF | |
| TOTAL | 97.49 | WT% | EDXRF | |
| BA | 1454 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 8.6 | PPM | EDXRF | |
| NI | 12 | PPM | EDXRF | |
| RB | 133 | PPM | EDXRF | |
| SC | 7.5 | PPM | EDXRF | |
| SR | 277 | PPM | EDXRF | |
| TA | 1.1 | PPM | EDXRF | |
| TH | 14.5 | PPM | EDXRF | |
| U | 3 | PPM | EDXRF | |
| V | 41 | PPM | EDXRF | |
| Y | 39 | PPM | EDXRF | |
| ZN | 71 | PPM | EDXRF | |
| ZR | 325 | PPM | EDXRF | |
| LA | 54.4 | PPM | EDXRF | |
| CE | 115 | PPM | EDXRF | |
| ND | 40 | PPM | EDXRF | |
| SM | 9.3 | PPM | EDXRF | |
| EU | 2.28 | PPM | EDXRF | |
| TB | 1.04 | PPM | EDXRF | |
| YB | 3.32 | PPM | EDXRF | |
| LU | 0.47 | PPM | EDXRF |