Sample PZ?8
NavDat sample number 12275 · DACITE
Sample
| Sample ID | PZ?8 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | El Ranchito Lava - devit |
Location
| Latitude | 28.4166 |
|---|---|
| Longitude | -104.667 |
| Location | 1.5km NW of R. El Nito |
| State / province | Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33.7 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.11 | WT% | XRF | |
| TIO2 | 0.58 | WT% | XRF | |
| AL2O3 | 15.99 | WT% | XRF | |
| FE2O3 | 0.6 | WT% | XRF | |
| FEO | 3.02 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 0.56 | WT% | XRF | |
| CAO | 1.74 | WT% | XRF | |
| NA2O | 4.35 | WT% | XRF | |
| K2O | 5.83 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| LOI | 1.87 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| RB | 134 | PPM | MS-ID | |
| SR | 183 | PPM | MS-ID | |
| Y | 52 | PPM | MS-ID | |
| ZR | 734 | PPM | MS-ID | |
| NB | 43 | PPM | MS-ID | |
| PB | 27 | PPM | MS-ID | |
| TH | 12.4 | PPM | MS-ID |