Sample 95
NavDat sample number 17592 · DACITE
Sample
| Sample ID | 95 |
|---|---|
| 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 | 33.6906 |
|---|---|
| Longitude | -107.948 |
| Location | Kneeling Nun |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33.4 | 32.4 | 34.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.23 | WT% | EDXRF | |
| TIO2 | 0.56 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 3.02 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 2.36 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 4.5 | WT% | EDXRF | |
| TOTAL | 95.17 | WT% | EDXRF | |
| BA | 1740 | PPM | EDXRF | |
| CR | 14 | PPM | EDXRF | |
| NI | 11 | PPM | EDXRF | |
| RB | 141 | PPM | EDXRF | |
| SR | 364 | PPM | EDXRF | |
| U | 2.8 | PPM | EDXRF | |
| V | 43 | PPM | EDXRF | |
| Y | 34 | PPM | EDXRF | |
| ZN | 55 | PPM | EDXRF | |
| ZR | 264 | PPM | EDXRF |