Sample 587
NavDat sample number 18011 · DACITE
Sample
| Sample ID | 587 |
|---|---|
| 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 | 33.6894 |
|---|---|
| Longitude | -108.574 |
| Location | Eagle peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.5 | 20.5 | 24.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66 | WT% | EDXRF | |
| TIO2 | 0.62 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 3.96 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 3.85 | WT% | EDXRF | |
| NA2O | 3.61 | WT% | EDXRF | |
| K2O | 2.78 | WT% | EDXRF | |
| BA | 848 | PPM | EDXRF | |
| CR | 26 | PPM | EDXRF | |
| HF | 3.9 | PPM | EDXRF | |
| NI | 18 | PPM | EDXRF | |
| RB | 63 | PPM | EDXRF | |
| SC | 10.7 | PPM | EDXRF | |
| SR | 355 | PPM | EDXRF | |
| TA | 0.6 | PPM | EDXRF | |
| TH | -0.3 | PPM | EDXRF | |
| U | 1.5 | PPM | EDXRF | |
| V | 60 | PPM | EDXRF | |
| Y | 28 | PPM | EDXRF | |
| ZN | 64 | PPM | EDXRF | |
| ZR | 226 | PPM | EDXRF | |
| LA | 30.3 | PPM | EDXRF | |
| CE | 22 | PPM | EDXRF | |
| ND | 51 | PPM | EDXRF | |
| SM | 5.6 | PPM | EDXRF | |
| EU | 1.34 | PPM | EDXRF | |
| TB | 0.88 | PPM | EDXRF | |
| YB | 2.37 | PPM | EDXRF | |
| LU | 0.41 | PPM | EDXRF |