Sample 305
NavDat sample number 17779 · RHYOLITE
Sample
| Sample ID | 305 |
|---|---|
| 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 | 33.0881 |
|---|---|
| Longitude | -108.488 |
| Location | Davis canyon |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.2 | 28.2 | 30.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75 | WT% | EDXRF | |
| TIO2 | 0.19 | WT% | EDXRF | |
| AL2O3 | 15 | WT% | EDXRF | |
| FEO | 1.09 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.16 | WT% | EDXRF | |
| NA2O | 3.35 | WT% | EDXRF | |
| K2O | 5.94 | WT% | EDXRF | |
| TOTAL | 100.76 | WT% | EDXRF | |
| BA | 191 | PPM | EDXRF | |
| CR | 14 | PPM | EDXRF | |
| HF | 6.8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 227 | PPM | EDXRF | |
| SC | 4.6 | PPM | EDXRF | |
| SR | 51 | PPM | EDXRF | |
| TA | 1.2 | PPM | EDXRF | |
| TH | 19.8 | PPM | EDXRF | |
| U | 5.8 | PPM | EDXRF | |
| V | 14 | PPM | EDXRF | |
| Y | 45 | PPM | EDXRF | |
| ZN | 44 | PPM | EDXRF | |
| ZR | 204 | PPM | EDXRF | |
| LA | 29.2 | PPM | EDXRF | |
| CE | 83 | PPM | EDXRF | |
| ND | 12 | PPM | EDXRF | |
| SM | 6.9 | PPM | EDXRF | |
| EU | 0.45 | PPM | EDXRF | |
| TB | 0.49 | PPM | EDXRF | |
| YB | 2.59 | PPM | EDXRF | |
| LU | 0.51 | PPM | EDXRF |