Sample 13
NavDat sample number 17542 · DACITE
Sample
| Sample ID | 13 |
|---|---|
| Rock name | DACITE |
| 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 | 32.746 |
|---|---|
| Longitude | -107.92 |
| Location | Rubio Peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37.2 | 34.9 | 39.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.37 | WT% | EDXRF | |
| TIO2 | 0.7 | WT% | EDXRF | |
| AL2O3 | 16.5 | WT% | EDXRF | |
| FEO | 4.36 | WT% | EDXRF | |
| MGO | -0.1 | WT% | EDXRF | |
| CAO | 2.72 | WT% | EDXRF | |
| NA2O | 4.5 | WT% | EDXRF | |
| K2O | 3.95 | WT% | EDXRF | |
| TOTAL | 96.1 | WT% | EDXRF | |
| BA | 2174 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 4.6 | PPM | EDXRF | |
| NI | 16 | PPM | EDXRF | |
| RB | 70 | PPM | EDXRF | |
| SC | 5.4 | PPM | EDXRF | |
| SR | 504 | PPM | EDXRF | |
| TA | 0.7 | PPM | EDXRF | |
| TH | 7.2 | PPM | EDXRF | |
| U | 1.7 | PPM | EDXRF | |
| V | 64 | PPM | EDXRF | |
| Y | 19 | PPM | EDXRF | |
| ZN | 60 | PPM | EDXRF | |
| ZR | 217 | PPM | EDXRF | |
| LA | 33.6 | PPM | EDXRF | |
| CE | 83 | PPM | EDXRF | |
| SM | 5.1 | PPM | EDXRF | |
| EU | 1.4 | PPM | EDXRF | |
| YB | 1.6 | PPM | EDXRF | |
| LU | 0.2 | PPM | EDXRF |