Sample 542
NavDat sample number 17970 · BASALTIC-ANDESITE
Sample
| Sample ID | 542 |
|---|---|
| Rock name | BASALTIC-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 | 34.355 |
|---|---|
| Longitude | -107.347 |
| Location | La Jara peak |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23.8 | 22 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.68 | WT% | EDXRF | |
| TIO2 | 1.35 | WT% | EDXRF | |
| AL2O3 | 13 | WT% | EDXRF | |
| FEO | 7.46 | WT% | EDXRF | |
| MGO | 7 | WT% | EDXRF | |
| CAO | 5.42 | WT% | EDXRF | |
| NA2O | 2.68 | WT% | EDXRF | |
| K2O | 4.48 | WT% | EDXRF | |
| P2O5 | 0.6 | WT% | EDXRF | |
| TOTAL | 98.67 | WT% | EDXRF | |
| BA | 1974 | PPM | EDXRF | |
| CR | 46 | PPM | EDXRF | |
| NI | 128 | PPM | EDXRF | |
| RB | 141 | PPM | EDXRF | |
| SR | 776 | PPM | EDXRF | |
| V | 138 | PPM | EDXRF | |
| Y | 35 | PPM | EDXRF | |
| ZN | 95 | PPM | EDXRF | |
| ZR | 381 | PPM | EDXRF |