Sample 289
NavDat sample number 17763 · ANDESITE
Sample
| Sample ID | 289 |
|---|---|
| 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 | 33.0833 |
|---|---|
| Longitude | -108.096 |
| Location | Alum Mtn., gila flat member |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.4 | 28.7 | 30.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.51 | WT% | EDXRF | |
| TIO2 | 0.71 | WT% | EDXRF | |
| AL2O3 | 17.13 | WT% | EDXRF | |
| FEO | 2.72 | WT% | EDXRF | |
| FE2O3 | 2.1 | WT% | EDXRF | |
| MNO | 0.08 | WT% | EDXRF | |
| MGO | 2.46 | WT% | EDXRF | |
| CAO | 5.15 | WT% | EDXRF | |
| NA2O | 3.95 | WT% | EDXRF | |
| K2O | 2.63 | WT% | EDXRF | |
| P2O5 | 0.23 | WT% | EDXRF | |
| H2O_PLUS | 1.63 | WT% | EDXRF | |
| TOTAL | 99.45 | WT% | EDXRF | |
| BA | 1130 | PPM | EDXRF | |
| CR | 32 | PPM | EDXRF | |
| NI | 32 | PPM | EDXRF | |
| RB | 84 | PPM | EDXRF | |
| SR | 664 | PPM | EDXRF | |
| V | 72 | PPM | EDXRF | |
| Y | 24 | PPM | EDXRF | |
| ZN | 85 | PPM | EDXRF | |
| ZR | 215 | PPM | EDXRF |