Sample 40
NavDat sample number 17563 · ANDESITE
Sample
| Sample ID | 40 |
|---|---|
| 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 | 34.231 |
|---|---|
| Longitude | -107.917 |
| Location | Spears formation |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 37.1 | 35.6 | 38.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58 | WT% | EDXRF | |
| TIO2 | 0.66 | WT% | EDXRF | |
| AL2O3 | 18 | WT% | EDXRF | |
| FEO | 4.64 | WT% | EDXRF | |
| MNO | 0.06 | WT% | EDXRF | |
| MGO | 2 | WT% | EDXRF | |
| CAO | 4.77 | WT% | EDXRF | |
| NA2O | 5.6 | WT% | EDXRF | |
| K2O | 3.31 | WT% | EDXRF | |
| TOTAL | 97.04 | WT% | EDXRF | |
| BA | 1031 | PPM | EDXRF | |
| CR | -5 | PPM | EDXRF | |
| HF | 5.1 | PPM | EDXRF | |
| NI | 24 | PPM | EDXRF | |
| RB | 63 | PPM | EDXRF | |
| SC | 9.5 | PPM | EDXRF | |
| SR | 1144 | PPM | EDXRF | |
| TA | -0.5 | PPM | EDXRF | |
| TH | -0.3 | PPM | EDXRF | |
| U | 1.7 | PPM | EDXRF | |
| V | 78 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZN | 55 | PPM | EDXRF | |
| ZR | 214 | PPM | EDXRF | |
| LA | 29.8 | PPM | EDXRF | |
| SM | 5 | PPM | EDXRF | |
| EU | 1.24 | PPM | EDXRF | |
| YB | 1.8 | PPM | EDXRF | |
| LU | 0.23 | PPM | EDXRF |