Sample 188
NavDat sample number 17670 · RHYODACITE
Sample
| Sample ID | 188 |
|---|---|
| Rock name | RHYODACITE |
| 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 | 33.0683 |
|---|---|
| Longitude | -108.518 |
| 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 | 1794 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.2 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 93 | PPM | EDXRF | |
| SC | 4.9 | PPM | EDXRF | |
| SR | 523 | PPM | EDXRF | |
| TA | 0.6 | PPM | EDXRF | |
| TH | 7.3 | PPM | EDXRF | |
| V | 36 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZN | 34 | PPM | EDXRF | |
| ZR | 216 | PPM | EDXRF | |
| LA | 36 | PPM | EDXRF | |
| CE | 89 | PPM | EDXRF | |
| SM | 5 | PPM | EDXRF | |
| EU | 1.44 | PPM | EDXRF | |
| TB | 0.37 | PPM | EDXRF | |
| YB | 2.19 | PPM | EDXRF | |
| LU | 0.37 | PPM | EDXRF | |
| SIO2 | 69.3 | WT% | EDXRF | |
| TIO2 | 0.41 | WT% | EDXRF | |
| AL2O3 | 16.2 | WT% | EDXRF | |
| FEO | 0.24 | WT% | EDXRF | |
| FE2O3 | 1.5 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | 0.08 | WT% | EDXRF | |
| CAO | 1.3 | WT% | EDXRF | |
| NA2O | 4.4 | WT% | EDXRF | |
| K2O | 3.6 | WT% | EDXRF | |
| P2O5 | 0.16 | WT% | EDXRF | |
| H2O_PLUS | 1.9 | WT% | EDXRF | |
| TOTAL | 99.9 | WT% | EDXRF |