Sample 189
NavDat sample number 17671 · DACITE
Sample
| Sample ID | 189 |
|---|---|
| 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 | 33.06 |
|---|---|
| Longitude | -108.491 |
| Location | Brock Canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 31 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 3.7 | PPM | EDXRF | |
| NI | 14 | PPM | EDXRF | |
| RB | 86 | PPM | EDXRF | |
| SC | 2.1 | PPM | EDXRF | |
| SR | 542 | PPM | EDXRF | |
| TA | 1.8 | PPM | EDXRF | |
| TH | 22 | PPM | EDXRF | |
| U | 1.1 | PPM | EDXRF | |
| V | 45 | PPM | EDXRF | |
| Y | 27 | PPM | EDXRF | |
| ZN | 66 | PPM | EDXRF | |
| ZR | 268 | PPM | EDXRF | |
| LA | 27.5 | PPM | EDXRF | |
| CE | 64 | PPM | EDXRF | |
| SM | 1.7 | PPM | EDXRF | |
| EU | 0.42 | PPM | EDXRF | |
| YB | 2.79 | PPM | EDXRF | |
| LU | 0.42 | PPM | EDXRF | |
| SIO2 | 63.7 | WT% | EDXRF | |
| TIO2 | 0.54 | WT% | EDXRF | |
| AL2O3 | 18.2 | WT% | EDXRF | |
| FEO | 0.48 | WT% | EDXRF | |
| FE2O3 | 3.9 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | 0.49 | WT% | EDXRF | |
| CAO | 3 | WT% | EDXRF | |
| NA2O | 4.1 | WT% | EDXRF | |
| K2O | 3.2 | WT% | EDXRF | |
| P2O5 | 0.34 | WT% | EDXRF | |
| H2O_PLUS | 1.8 | WT% | EDXRF | |
| TOTAL | 99.93 | WT% | EDXRF |