Sample 501
NavDat sample number 17944 · RHYOLITE
Sample
| Sample ID | 501 |
|---|---|
| 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 | 33.3669 |
|---|---|
| Longitude | -108.757 |
| 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 | 0.08 | WT% | EDXRF | |
| AL2O3 | 11 | WT% | EDXRF | |
| FEO | 2.34 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 2.63 | WT% | EDXRF | |
| NA2O | 4.39 | WT% | EDXRF | |
| K2O | 1.65 | WT% | EDXRF | |
| TOTAL | 100.12 | WT% | EDXRF | |
| BA | 659 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 7.3 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 136 | PPM | EDXRF | |
| SC | 5.7 | PPM | EDXRF | |
| SR | 123 | PPM | EDXRF | |
| TA | 1 | PPM | EDXRF | |
| TH | 18.4 | PPM | EDXRF | |
| U | 2.7 | PPM | EDXRF | |
| V | -10 | PPM | EDXRF | |
| Y | 30 | PPM | EDXRF | |
| ZN | 18 | PPM | EDXRF | |
| ZR | 101 | PPM | EDXRF | |
| LA | 51.1 | PPM | EDXRF | |
| CE | 120 | PPM | EDXRF | |
| ND | 64 | PPM | EDXRF | |
| SM | 6.6 | PPM | EDXRF | |
| EU | 1.29 | PPM | EDXRF | |
| TB | 0.95 | PPM | EDXRF | |
| YB | 3.85 | PPM | EDXRF | |
| LU | 0.58 | PPM | EDXRF |