Sample 202
NavDat sample number 17681 · RHYODACITE
Sample
| Sample ID | 202 |
|---|---|
| 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 | 32.9325 |
|---|---|
| Longitude | -108.206 |
| 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 | 68 | WT% | EDXRF | |
| TIO2 | 0.54 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 2.18 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 1.6 | WT% | EDXRF | |
| NA2O | 4.4 | WT% | EDXRF | |
| K2O | 4.18 | WT% | EDXRF | |
| TOTAL | 98.96 | WT% | EDXRF | |
| BA | 1321 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 8 | PPM | EDXRF | |
| NI | 9 | PPM | EDXRF | |
| RB | 135 | PPM | EDXRF | |
| SC | 7.4 | PPM | EDXRF | |
| SR | 234 | PPM | EDXRF | |
| TA | 0.9 | PPM | EDXRF | |
| TH | 14.6 | PPM | EDXRF | |
| U | 2.8 | PPM | EDXRF | |
| V | 38 | PPM | EDXRF | |
| Y | 37 | PPM | EDXRF | |
| ZN | 72 | PPM | EDXRF | |
| ZR | 334 | PPM | EDXRF | |
| LA | 55.4 | PPM | EDXRF | |
| CE | 114 | PPM | EDXRF | |
| SM | 9.1 | PPM | EDXRF | |
| EU | 2.13 | PPM | EDXRF | |
| TB | 0.78 | PPM | EDXRF | |
| YB | 3.43 | PPM | EDXRF | |
| LU | 0.56 | PPM | EDXRF |