Sample 178
NavDat sample number 17660 · RHYOLITE
Sample
| Sample ID | 178 |
|---|---|
| Rock name | RHYOLITE |
| 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 | 32.8414 |
|---|---|
| Longitude | -107.639 |
| Location | Mimbres peak |
| 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 |
|---|---|---|---|---|
| SIO2 | 78 | WT% | EDXRF | |
| TIO2 | 0.1 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 0.81 | WT% | EDXRF | |
| MNO | 0.02 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.1 | WT% | EDXRF | |
| NA2O | 3.31 | WT% | EDXRF | |
| K2O | 4.55 | WT% | EDXRF | |
| TOTAL | 100.89 | WT% | EDXRF | |
| BA | -30 | PPM | EDXRF | |
| CR | 7.8 | PPM | EDXRF | |
| HF | 5.6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 220 | PPM | EDXRF | |
| SC | 2.3 | PPM | EDXRF | |
| SR | 6 | PPM | EDXRF | |
| TA | 2 | PPM | EDXRF | |
| TH | 23.9 | PPM | EDXRF | |
| U | 3.8 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 73 | PPM | EDXRF | |
| ZR | 114 | PPM | EDXRF | |
| LA | 31.5 | PPM | EDXRF | |
| CE | 47 | PPM | EDXRF | |
| ND | -10 | PPM | EDXRF | |
| SM | 2.5 | PPM | EDXRF | |
| EU | 0.15 | PPM | EDXRF | |
| TB | 0.35 | PPM | EDXRF | |
| YB | 2.41 | PPM | EDXRF | |
| LU | 0.41 | PPM | EDXRF |