Sample 161
NavDat sample number 17645 · DACITE
Sample
| Sample ID | 161 |
|---|---|
| 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 | 33.9192 |
|---|---|
| Longitude | -108.266 |
| Location | Horse Springs Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.4 | 29.1 | 35.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66 | WT% | EDXRF | |
| TIO2 | 0.58 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 3 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 2.97 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 4.77 | WT% | EDXRF | |
| TOTAL | 97.88 | WT% | EDXRF | |
| BA | 1244 | PPM | EDXRF | |
| CR | 17 | PPM | EDXRF | |
| NI | 17 | PPM | EDXRF | |
| RB | 158 | PPM | EDXRF | |
| SR | 485 | PPM | EDXRF | |
| TH | 17.8 | PPM | EDXRF | |
| U | 1.7 | PPM | EDXRF | |
| V | 47 | PPM | EDXRF | |
| Y | 29 | PPM | EDXRF | |
| ZN | 33 | PPM | EDXRF | |
| ZR | 228 | PPM | EDXRF |