Sample 84
NavDat sample number 17584 · RHYOLITE
Sample
| Sample ID | 84 |
|---|---|
| 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 | 32.9092 |
|---|---|
| Longitude | -107.817 |
| Location | Black range |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34.6 | 32.6 | 36.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70 | WT% | EDXRF | |
| TIO2 | 0.35 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 1.73 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 2.22 | WT% | EDXRF | |
| NA2O | 3.68 | WT% | EDXRF | |
| K2O | 4.39 | WT% | EDXRF | |
| TOTAL | 97.92 | WT% | EDXRF | |
| BA | 721 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 6.5 | PPM | EDXRF | |
| NI | 4 | PPM | EDXRF | |
| RB | 169 | PPM | EDXRF | |
| SC | 3.1 | PPM | EDXRF | |
| SR | 209 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 24 | PPM | EDXRF | |
| U | 3.7 | PPM | EDXRF | |
| V | 31 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZN | 33 | PPM | EDXRF | |
| ZR | 186 | PPM | EDXRF | |
| LA | 42.2 | PPM | EDXRF | |
| CE | 71 | PPM | EDXRF | |
| ND | 33 | PPM | EDXRF | |
| SM | 4.4 | PPM | EDXRF | |
| EU | -0.3 | PPM | EDXRF | |
| TB | 0.49 | PPM | EDXRF | |
| YB | 2.86 | PPM | EDXRF | |
| LU | 0.41 | PPM | EDXRF |