Sample 39
NavDat sample number 17562 · BASALTIC-ANDESITE
Sample
| Sample ID | 39 |
|---|---|
| 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 | 34.2453 |
|---|---|
| Longitude | -107.789 |
| 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 | 52.24 | WT% | EDXRF | |
| TIO2 | 1.09 | WT% | EDXRF | |
| AL2O3 | 17.72 | WT% | EDXRF | |
| FEO | 2 | WT% | EDXRF | |
| FE2O3 | 5.78 | WT% | EDXRF | |
| MNO | 0.15 | WT% | EDXRF | |
| MGO | 3.91 | WT% | EDXRF | |
| CAO | 7.34 | WT% | EDXRF | |
| NA2O | 4.08 | WT% | EDXRF | |
| K2O | 2.55 | WT% | EDXRF | |
| P2O5 | 0.31 | WT% | EDXRF | |
| H2O_PLUS | 1.09 | WT% | EDXRF | |
| TOTAL | 99.49 | WT% | EDXRF | |
| BA | 1175 | PPM | EDXRF | |
| CR | 32 | PPM | EDXRF | |
| NI | 52 | PPM | EDXRF | |
| RB | 47 | PPM | EDXRF | |
| SR | 869 | PPM | EDXRF | |
| TH | 6.5 | PPM | EDXRF | |
| U | 1.3 | PPM | EDXRF | |
| V | 128 | PPM | EDXRF | |
| Y | 25 | PPM | EDXRF | |
| ZN | 65 | PPM | EDXRF | |
| ZR | 231 | PPM | EDXRF |