Sample 64
NavDat sample number 17573 · RHYOLITE
Sample
| Sample ID | 64 |
|---|---|
| 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 | 32.5953 |
|---|---|
| Longitude | -107.962 |
| Location | Sugarlump tuff |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 36.9 | 34.9 | 38.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | EDXRF | |
| TIO2 | 0.2 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 1.2 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 0.75 | WT% | EDXRF | |
| NA2O | 2.34 | WT% | EDXRF | |
| K2O | 6.97 | WT% | EDXRF | |
| TOTAL | 100.5 | WT% | EDXRF | |
| BA | 544 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5 | PPM | EDXRF | |
| NI | 5 | PPM | EDXRF | |
| RB | 211 | PPM | EDXRF | |
| SC | 3.1 | PPM | EDXRF | |
| SR | 38 | PPM | EDXRF | |
| TA | 0.8 | PPM | EDXRF | |
| TH | 15.1 | PPM | EDXRF | |
| U | 2.7 | PPM | EDXRF | |
| V | 17 | PPM | EDXRF | |
| Y | 37 | PPM | EDXRF | |
| ZN | 26 | PPM | EDXRF | |
| ZR | 173 | PPM | EDXRF | |
| LA | 45.8 | PPM | EDXRF | |
| CE | 85 | PPM | EDXRF | |
| ND | 24 | PPM | EDXRF | |
| SM | 5.7 | PPM | EDXRF | |
| EU | 1.03 | PPM | EDXRF | |
| TB | 0.72 | PPM | EDXRF | |
| YB | 2.47 | PPM | EDXRF | |
| LU | 0.38 | PPM | EDXRF |