Sample 498
NavDat sample number 17941 · BASALTIC-ANDESITE
Sample
| Sample ID | 498 |
|---|---|
| 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 | 33.3903 |
|---|---|
| Longitude | -108.783 |
| Location | Last chance |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25.4 | 25 | 25.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56 | WT% | EDXRF | |
| TIO2 | 0.75 | WT% | EDXRF | |
| AL2O3 | 16 | WT% | EDXRF | |
| FEO | 4.56 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| MGO | 9 | WT% | EDXRF | |
| CAO | 2.15 | WT% | EDXRF | |
| NA2O | 1.56 | WT% | EDXRF | |
| K2O | 10.12 | WT% | EDXRF | |
| P2O5 | 0.4 | WT% | EDXRF | |
| TOTAL | 100.61 | WT% | EDXRF | |
| BA | 1377 | PPM | EDXRF | |
| CR | 59 | PPM | EDXRF | |
| HF | 8.6 | PPM | EDXRF | |
| NI | 41 | PPM | EDXRF | |
| RB | 537 | PPM | EDXRF | |
| SC | 11.7 | PPM | EDXRF | |
| SR | 843 | PPM | EDXRF | |
| TA | 0.7 | PPM | EDXRF | |
| TH | 9.4 | PPM | EDXRF | |
| U | 2.2 | PPM | EDXRF | |
| V | 97 | PPM | EDXRF | |
| Y | 34 | PPM | EDXRF | |
| ZN | 86 | PPM | EDXRF | |
| ZR | 276 | PPM | EDXRF | |
| LA | 45.4 | PPM | EDXRF | |
| CE | 97 | PPM | EDXRF | |
| SM | 6.6 | PPM | EDXRF | |
| EU | 1.57 | PPM | EDXRF | |
| TB | 1.1 | PPM | EDXRF | |
| YB | 2.04 | PPM | EDXRF | |
| LU | 0.2 | PPM | EDXRF |