Sample 20
NavDat sample number 17549 · ANDESITE
Sample
| Sample ID | 20 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Maximum and minimum ages given are approximations based on average error of previous K-Ar dating. |
Location
| Latitude | 32.679 |
|---|---|
| Longitude | -107.847 |
| Location | Rubio Peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37.2 | 34.9 | 39.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.96 | WT% | EDXRF | |
| TIO2 | 0.8 | WT% | EDXRF | |
| AL2O3 | 14.5 | WT% | EDXRF | |
| FEO | 5.38 | WT% | EDXRF | |
| MGO | 4 | WT% | EDXRF | |
| CAO | 5.53 | WT% | EDXRF | |
| NA2O | 2 | WT% | EDXRF | |
| K2O | 1.94 | WT% | EDXRF | |
| TOTAL | 96.11 | WT% | EDXRF | |
| BA | 854 | PPM | EDXRF | |
| CR | 27 | PPM | EDXRF | |
| HF | 4.6 | PPM | EDXRF | |
| NI | 17 | PPM | EDXRF | |
| RB | 68 | PPM | EDXRF | |
| SC | 10.6 | PPM | EDXRF | |
| SR | 804 | PPM | EDXRF | |
| TA | -0.5 | PPM | EDXRF | |
| TH | 9.9 | PPM | EDXRF | |
| U | 1.5 | PPM | EDXRF | |
| V | 64 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZN | 76 | PPM | EDXRF | |
| ZR | 215 | PPM | EDXRF | |
| LA | 30.9 | PPM | EDXRF | |
| CE | 59 | PPM | EDXRF | |
| SM | 5 | PPM | EDXRF | |
| EU | 1.63 | PPM | EDXRF | |
| YB | 2.16 | PPM | EDXRF | |
| LU | 0.25 | PPM | EDXRF |