Sample 200
NavDat sample number 17679 · RHYODACITE
Sample
| Sample ID | 200 |
|---|---|
| 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 | 32.8894 |
|---|---|
| Longitude | -108.23 |
| 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 | 70 | WT% | EDXRF | |
| TIO2 | 0.43 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 1.65 | WT% | EDXRF | |
| MNO | 0.09 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.23 | WT% | EDXRF | |
| NA2O | 4.22 | WT% | EDXRF | |
| K2O | 4.34 | WT% | EDXRF | |
| TOTAL | 96.46 | WT% | EDXRF | |
| BA | 1182 | PPM | EDXRF | |
| CR | 12 | PPM | EDXRF | |
| HF | 8.5 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 164 | PPM | EDXRF | |
| SC | 6.9 | PPM | EDXRF | |
| SR | 160 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 16.5 | PPM | EDXRF | |
| U | 4.9 | PPM | EDXRF | |
| V | 40 | PPM | EDXRF | |
| Y | 45 | PPM | EDXRF | |
| ZN | 72 | PPM | EDXRF | |
| ZR | 295 | PPM | EDXRF | |
| LA | 58.9 | PPM | EDXRF | |
| CE | 99 | PPM | EDXRF | |
| ND | 41 | PPM | EDXRF | |
| SM | 10.4 | PPM | EDXRF | |
| EU | 1.84 | PPM | EDXRF | |
| TB | 1.25 | PPM | EDXRF | |
| YB | 3.73 | PPM | EDXRF | |
| LU | 0.59 | PPM | EDXRF |