Sample 359
NavDat sample number 17825 · DACITE
Sample
| Sample ID | 359 |
|---|---|
| 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 | 33.0758 |
|---|---|
| Longitude | -108.519 |
| Location | Murtock's hole flows and breccias |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.5 | 23.5 | 31.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64 | WT% | EDXRF | |
| TIO2 | 0.82 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 3.92 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 2.94 | WT% | EDXRF | |
| NA2O | 5.13 | WT% | EDXRF | |
| K2O | 3.47 | WT% | EDXRF | |
| TOTAL | 98.33 | WT% | EDXRF | |
| BA | 1141 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.3 | PPM | EDXRF | |
| NI | 16 | PPM | EDXRF | |
| RB | 32 | PPM | EDXRF | |
| SC | 10.5 | PPM | EDXRF | |
| SR | 376 | PPM | EDXRF | |
| TA | 0.8 | PPM | EDXRF | |
| TH | 11.3 | PPM | EDXRF | |
| U | 2.3 | PPM | EDXRF | |
| V | 42 | PPM | EDXRF | |
| Y | 38 | PPM | EDXRF | |
| ZN | 77 | PPM | EDXRF | |
| ZR | 311 | PPM | EDXRF | |
| LA | 48.1 | PPM | EDXRF | |
| CE | 93 | PPM | EDXRF | |
| SM | 8.8 | PPM | EDXRF | |
| EU | 2 | PPM | EDXRF | |
| TB | 1.2 | PPM | EDXRF | |
| YB | 3.28 | PPM | EDXRF | |
| LU | 0.69 | PPM | EDXRF |