Sample 398
NavDat sample number 17862 · RHYODACITE
Sample
| Sample ID | 398 |
|---|---|
| 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 | 33.3708 |
|---|---|
| Longitude | -108.721 |
| Location | Apache springs |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 26.5 | 28.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67 | WT% | EDXRF | |
| TIO2 | 0.57 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 2.3 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1.03 | WT% | EDXRF | |
| NA2O | 4.1 | WT% | EDXRF | |
| K2O | 5.78 | WT% | EDXRF | |
| TOTAL | 96.84 | WT% | EDXRF | |
| BA | 900 | PPM | EDXRF | |
| CR | 17 | PPM | EDXRF | |
| HF | 16.1 | PPM | EDXRF | |
| NI | 7 | PPM | EDXRF | |
| RB | 137 | PPM | EDXRF | |
| SC | 7.7 | PPM | EDXRF | |
| SR | 133 | PPM | EDXRF | |
| TA | 1.3 | PPM | EDXRF | |
| TH | 15.2 | PPM | EDXRF | |
| U | 3.9 | PPM | EDXRF | |
| V | 34 | PPM | EDXRF | |
| Y | 67 | PPM | EDXRF | |
| ZN | 56 | PPM | EDXRF | |
| ZR | 616 | PPM | EDXRF | |
| LA | 133.5 | PPM | EDXRF | |
| CE | 218 | PPM | EDXRF | |
| ND | 93 | PPM | EDXRF | |
| SM | 24.2 | PPM | EDXRF | |
| EU | 3.34 | PPM | EDXRF | |
| TB | 2.12 | PPM | EDXRF | |
| YB | 6.2 | PPM | EDXRF | |
| LU | 0.81 | PPM | EDXRF |