Sample PZ-216
NavDat sample number 12239 · ANDESITE
Sample
| Sample ID | PZ-216 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Escobillas andesite |
Location
| Latitude | 28.6668 |
|---|---|
| Longitude | -104.167 |
| Location | SE flank of Cerro Escobillas |
| State / province | Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.5 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 53.85 | WT% | XRF | |
| TIO2 | 2.31 | WT% | XRF | |
| AL2O3 | 16.8 | WT% | XRF | |
| FE2O3 | 1.63 | WT% | XRF | |
| FEO | 8.17 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 3.77 | WT% | XRF | |
| CAO | 6.66 | WT% | XRF | |
| NA2O | 3.88 | WT% | XRF | |
| K2O | 2.36 | WT% | XRF | |
| P2O5 | 0.47 | WT% | XRF | |
| LOI | 3.25 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| NI | 22 | PPM | MS-ID | |
| RB | 40 | PPM | MS-ID | |
| SR | 504 | PPM | MS-ID | |
| Y | 42 | PPM | MS-ID | |
| ZR | 361 | PPM | MS-ID | |
| NB | 27 | PPM | MS-ID |