Sample 638
NavDat sample number 18050 · ANDESITE
Sample
| Sample ID | 638 |
|---|---|
| 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 | 33.267 |
|---|---|
| Longitude | -108.25 |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21 | 19 | 23 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.94 | WT% | EDXRF | |
| TIO2 | 1.07 | WT% | EDXRF | |
| AL2O3 | 14 | WT% | EDXRF | |
| FEO | 5.73 | WT% | EDXRF | |
| MGO | 6 | WT% | EDXRF | |
| CAO | 4.97 | WT% | EDXRF | |
| NA2O | 2.76 | WT% | EDXRF | |
| K2O | 5.85 | WT% | EDXRF | |
| P2O5 | 0.6 | WT% | EDXRF | |
| TOTAL | 98.92 | WT% | EDXRF | |
| BA | 2832 | PPM | EDXRF | |
| CR | 35 | PPM | EDXRF | |
| NI | 89 | PPM | EDXRF | |
| RB | 151 | PPM | EDXRF | |
| SR | 863 | PPM | EDXRF | |
| V | 106 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 77 | PPM | EDXRF | |
| ZR | 417 | PPM | EDXRF |