Sample 645
NavDat sample number 18056 · RHYOLITE
Sample
| Sample ID | 645 |
|---|---|
| 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 | 33.1039 |
|---|---|
| Longitude | -109.008 |
| Location | Tennesse creek |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 19 | 18 | 22 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74 | WT% | EDXRF | |
| TIO2 | 0.11 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 1 | WT% | EDXRF | |
| CAO | 2.89 | WT% | EDXRF | |
| NA2O | 1 | WT% | EDXRF | |
| K2O | 2.52 | WT% | EDXRF | |
| TOTAL | 95.59 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -4 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 238 | PPM | EDXRF | |
| SR | 535 | PPM | EDXRF | |
| TH | 25.5 | PPM | EDXRF | |
| U | 3.2 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 36 | PPM | EDXRF | |
| ZN | 44 | PPM | EDXRF | |
| ZR | 177 | PPM | EDXRF |