Sample 140
NavDat sample number 17625 · DACITE
Sample
| Sample ID | 140 |
|---|---|
| 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 | 32.9442 |
|---|---|
| Longitude | -107.772 |
| Location | Holden Prong |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64 | WT% | EDXRF | |
| TIO2 | 0.77 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 4.53 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 3.47 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 3.75 | WT% | EDXRF | |
| TOTAL | 98.04 | WT% | EDXRF | |
| BA | 1084 | PPM | EDXRF | |
| CR | 26 | PPM | EDXRF | |
| NI | 23 | PPM | EDXRF | |
| RB | 149 | PPM | EDXRF | |
| SR | 529 | PPM | EDXRF | |
| U | 1.7 | PPM | EDXRF | |
| V | 67 | PPM | EDXRF | |
| Y | 27 | PPM | EDXRF | |
| ZN | 77 | PPM | EDXRF | |
| ZR | 241 | PPM | EDXRF |