Sample 395
NavDat sample number 17859 · RHYOLITE
Sample
| Sample ID | 395 |
|---|---|
| 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 | 33.3742 |
|---|---|
| Longitude | -108.437 |
| Location | Middle fork |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.3 | 23.5 | 31.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74 | WT% | EDXRF | |
| TIO2 | 0.12 | WT% | EDXRF | |
| AL2O3 | 11.5 | WT% | EDXRF | |
| FEO | 0.81 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.74 | WT% | EDXRF | |
| NA2O | 3.38 | WT% | EDXRF | |
| K2O | 4.22 | WT% | EDXRF | |
| TOTAL | 94.83 | WT% | EDXRF | |
| BA | 53 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.4 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 472 | PPM | EDXRF | |
| SC | 2.5 | PPM | EDXRF | |
| SR | 19 | PPM | EDXRF | |
| TA | 1.4 | PPM | EDXRF | |
| TH | 27.7 | PPM | EDXRF | |
| U | 6.1 | PPM | EDXRF | |
| V | 12 | PPM | EDXRF | |
| Y | 47 | PPM | EDXRF | |
| ZN | 76 | PPM | EDXRF | |
| ZR | 122 | PPM | EDXRF | |
| LA | 40.2 | PPM | EDXRF | |
| CE | 77 | PPM | EDXRF | |
| SM | 3.5 | PPM | EDXRF | |
| EU | 0.56 | PPM | EDXRF | |
| TB | 0.63 | PPM | EDXRF | |
| YB | 3.58 | PPM | EDXRF | |
| LU | 0.55 | PPM | EDXRF |