Sample 65
NavDat sample number 17574 · RHYOLITE
Sample
| Sample ID | 65 |
|---|---|
| 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 | 32.5889 |
|---|---|
| Longitude | -107.92 |
| 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 | 77 | WT% | EDXRF | |
| TIO2 | 0.18 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FEO | 1.09 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | -1 | WT% | EDXRF | |
| CAO | 1 | WT% | EDXRF | |
| NA2O | 3.57 | WT% | EDXRF | |
| K2O | 4.21 | WT% | EDXRF | |
| TOTAL | 99.6 | WT% | EDXRF | |
| BA | 407 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 3.8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 222 | PPM | EDXRF | |
| SC | 2.5 | PPM | EDXRF | |
| SR | 120 | PPM | EDXRF | |
| TA | 1.4 | PPM | EDXRF | |
| TH | 31.1 | PPM | EDXRF | |
| U | 5.9 | PPM | EDXRF | |
| V | 13 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZN | 19 | PPM | EDXRF | |
| ZR | 117 | PPM | EDXRF | |
| LA | 39 | PPM | EDXRF | |
| CE | 75 | PPM | EDXRF | |
| ND | 29 | PPM | EDXRF | |
| SM | 2.6 | PPM | EDXRF | |
| EU | 0.69 | PPM | EDXRF | |
| TB | 0.43 | PPM | EDXRF | |
| YB | 2.16 | PPM | EDXRF | |
| LU | 0.41 | PPM | EDXRF |