Sample 354
NavDat sample number 17820 · RHYOLITE
Sample
| Sample ID | 354 |
|---|---|
| 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 | 33.1064 |
|---|---|
| Longitude | -108.484 |
| Location | Diablo range |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.6 | 26.6 | 28.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75 | WT% | EDXRF | |
| TIO2 | 0.19 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 1.15 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.16 | WT% | EDXRF | |
| NA2O | 3.5 | WT% | EDXRF | |
| K2O | 5.46 | WT% | EDXRF | |
| TOTAL | 99.53 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | 6 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 320 | PPM | EDXRF | |
| SR | 20 | PPM | EDXRF | |
| TH | 28.9 | PPM | EDXRF | |
| U | 6 | PPM | EDXRF | |
| V | 10 | PPM | EDXRF | |
| Y | 63 | PPM | EDXRF | |
| ZN | 59 | PPM | EDXRF | |
| ZR | 201 | PPM | EDXRF |