Sample 197
NavDat sample number 17676 · RHYOLITE
Sample
| Sample ID | 197 |
|---|---|
| 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 | 34.1053 |
|---|---|
| Longitude | -107.928 |
| Location | South Crosby Peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 29 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.95 | WT% | EDXRF | |
| TIO2 | 0.08 | WT% | EDXRF | |
| AL2O3 | 11.75 | WT% | EDXRF | |
| FEO | 0.13 | WT% | EDXRF | |
| FE2O3 | 0.61 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| MGO | 0.11 | WT% | EDXRF | |
| CAO | 0.55 | WT% | EDXRF | |
| NA2O | 3.6 | WT% | EDXRF | |
| K2O | 4.1 | WT% | EDXRF | |
| P2O5 | 0.02 | WT% | EDXRF | |
| H2O_PLUS | 0.5 | WT% | EDXRF | |
| TOTAL | 99.45 | WT% | EDXRF | |
| BA | 778 | PPM | EDXRF | |
| CR | -1 | PPM | EDXRF | |
| HF | 2.8 | PPM | EDXRF | |
| NI | -4 | PPM | EDXRF | |
| RB | 133 | PPM | EDXRF | |
| SC | 2 | PPM | EDXRF | |
| SR | 41 | PPM | EDXRF | |
| TA | 23 | PPM | EDXRF | |
| TH | 13.1 | PPM | EDXRF | |
| U | 4.4 | PPM | EDXRF | |
| V | 13 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZN | -15 | PPM | EDXRF | |
| ZR | 57 | PPM | EDXRF | |
| LA | 18.4 | PPM | EDXRF | |
| CE | 28 | PPM | EDXRF | |
| ND | 14 | PPM | EDXRF | |
| SM | 2.7 | PPM | EDXRF | |
| EU | 0.58 | PPM | EDXRF | |
| TB | 0.47 | PPM | EDXRF | |
| YB | 1.3 | PPM | EDXRF | |
| LU | 0.26 | PPM | EDXRF |