Sample 356
NavDat sample number 17822 · ANDESITE
Sample
| Sample ID | 356 |
|---|---|
| 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 | 33.0903 |
|---|---|
| Longitude | -108.143 |
| Location | Alum Mtn., middle mtn. Member |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.5 | 23.5 | 31.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.89 | WT% | EDXRF | |
| TIO2 | 0.78 | WT% | EDXRF | |
| AL2O3 | 17 | WT% | EDXRF | |
| FEO | 3.1 | WT% | EDXRF | |
| FE2O3 | 2.61 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | 2.58 | WT% | EDXRF | |
| CAO | 4.7 | WT% | EDXRF | |
| NA2O | 4.1 | WT% | EDXRF | |
| K2O | 2.82 | WT% | EDXRF | |
| P2O5 | 0.33 | WT% | EDXRF | |
| H2O_PLUS | 1.39 | WT% | EDXRF | |
| TOTAL | 99.54 | WT% | EDXRF | |
| BA | 1398 | PPM | EDXRF | |
| CR | 33 | PPM | EDXRF | |
| NI | 41 | PPM | EDXRF | |
| RB | 66 | PPM | EDXRF | |
| SR | 616 | PPM | EDXRF | |
| V | 85 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZN | 100 | PPM | EDXRF | |
| ZR | 255 | PPM | EDXRF |