Sample 37
NavDat sample number 17560 · BASALTIC-ANDESITE
Sample
| Sample ID | 37 |
|---|---|
| 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 | 34.3 |
|---|---|
| Longitude | -106.8 |
| 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 | 54.14 | WT% | EDXRF | |
| TIO2 | 1.23 | WT% | EDXRF | |
| AL2O3 | 17.5 | WT% | EDXRF | |
| FEO | 1.31 | WT% | EDXRF | |
| FE2O3 | 5.69 | WT% | EDXRF | |
| MNO | 0.12 | WT% | EDXRF | |
| MGO | 2.95 | WT% | EDXRF | |
| CAO | 5.67 | WT% | EDXRF | |
| NA2O | 4.35 | WT% | EDXRF | |
| K2O | 3.88 | WT% | EDXRF | |
| P2O5 | 0.62 | WT% | EDXRF | |
| H2O_PLUS | 1.03 | WT% | EDXRF | |
| TOTAL | 99.31 | WT% | EDXRF | |
| BA | 943 | PPM | EDXRF | |
| CR | 31 | PPM | EDXRF | |
| NI | 45 | PPM | EDXRF | |
| RB | 149 | PPM | EDXRF | |
| SR | 840 | PPM | EDXRF | |
| TH | 23.9 | PPM | EDXRF | |
| U | 4.7 | PPM | EDXRF | |
| V | 112 | PPM | EDXRF | |
| Y | 41 | PPM | EDXRF | |
| ZN | 83 | PPM | EDXRF | |
| ZR | 679 | PPM | EDXRF |