Sample 180
NavDat sample number 17662 · RHYOLITE
Sample
| Sample ID | 180 |
|---|---|
| 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 | 32.9189 |
|---|---|
| Longitude | -107.634 |
| 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 | 0.08 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 0.79 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.75 | WT% | EDXRF | |
| NA2O | 2.65 | WT% | EDXRF | |
| K2O | 4.78 | WT% | EDXRF | |
| TOTAL | 98.58 | WT% | EDXRF | |
| BA | -30 | PPM | EDXRF | |
| CR | 4.6 | PPM | EDXRF | |
| HF | 5.8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 153 | PPM | EDXRF | |
| SC | 2.4 | PPM | EDXRF | |
| SR | 53 | PPM | EDXRF | |
| TA | 1.8 | PPM | EDXRF | |
| TH | 23.3 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZN | 61 | PPM | EDXRF | |
| ZR | 141 | PPM | EDXRF | |
| LA | 37.4 | PPM | EDXRF | |
| CE | 55 | PPM | EDXRF | |
| ND | -10 | PPM | EDXRF | |
| SM | 3.5 | PPM | EDXRF | |
| EU | 0.23 | PPM | EDXRF | |
| TB | 0.53 | PPM | EDXRF | |
| YB | 2.53 | PPM | EDXRF | |
| LU | 0.48 | PPM | EDXRF |