Sample 504
NavDat sample number 17947 · RHYOLITE
Sample
| Sample ID | 504 |
|---|---|
| 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 | 33.3878 |
|---|---|
| Longitude | -108.775 |
| Location | Deadwood gulch |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25 | 22 | 28 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78 | WT% | EDXRF | |
| TIO2 | 0.13 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1.12 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.16 | WT% | EDXRF | |
| NA2O | 0.92 | WT% | EDXRF | |
| K2O | 3.68 | WT% | EDXRF | |
| TOTAL | 97.05 | WT% | EDXRF | |
| BA | -50 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 3.5 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 236 | PPM | EDXRF | |
| SC | 2.8 | PPM | EDXRF | |
| SR | 192 | PPM | EDXRF | |
| TA | 1.6 | PPM | EDXRF | |
| TH | 21.3 | PPM | EDXRF | |
| U | 2.4 | PPM | EDXRF | |
| V | 15 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 35 | PPM | EDXRF | |
| ZR | 133 | PPM | EDXRF | |
| LA | 30.3 | PPM | EDXRF | |
| CE | 64 | PPM | EDXRF | |
| SM | 3.3 | PPM | EDXRF | |
| EU | 0.33 | PPM | EDXRF | |
| TB | 0.74 | PPM | EDXRF | |
| YB | 2.75 | PPM | EDXRF | |
| LU | 0.48 | PPM | EDXRF |