Sample 157
NavDat sample number 17641 · RHYOLITE
Sample
| Sample ID | 157 |
|---|---|
| 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 | 34.0853 |
|---|---|
| Longitude | -107.948 |
| Location | Rock Tank |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.5 | 29.1 | 35.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.4 | WT% | EDXRF | |
| TIO2 | 0.18 | WT% | EDXRF | |
| AL2O3 | 13.6 | WT% | EDXRF | |
| FEO | 0.1 | WT% | EDXRF | |
| FE2O3 | 1.24 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 0.3 | WT% | EDXRF | |
| CAO | 0.78 | WT% | EDXRF | |
| NA2O | 2.98 | WT% | EDXRF | |
| K2O | 6.73 | WT% | EDXRF | |
| P2O5 | 0.05 | WT% | EDXRF | |
| H2O_PLUS | 0.53 | WT% | EDXRF | |
| TOTAL | 100.06 | WT% | EDXRF | |
| BA | 395 | PPM | EDXRF | |
| CR | 6.2 | PPM | EDXRF | |
| HF | 5.2 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 250 | PPM | EDXRF | |
| SC | 2.4 | PPM | EDXRF | |
| SR | 131 | PPM | EDXRF | |
| TA | 1.8 | PPM | EDXRF | |
| TH | 37.9 | PPM | EDXRF | |
| U | 4.6 | PPM | EDXRF | |
| V | 15 | PPM | EDXRF | |
| Y | 33 | PPM | EDXRF | |
| ZN | 19 | PPM | EDXRF | |
| ZR | 122 | PPM | EDXRF | |
| LA | 62.5 | PPM | EDXRF | |
| CE | 74 | PPM | EDXRF | |
| ND | 15 | PPM | EDXRF | |
| SM | 3 | PPM | EDXRF | |
| EU | 0.6 | PPM | EDXRF | |
| TB | 0.57 | PPM | EDXRF | |
| YB | 2.46 | PPM | EDXRF | |
| LU | 0.42 | PPM | EDXRF |