Sample PZ?7
NavDat sample number 12279 · DACITE
Sample
| Sample ID | PZ?7 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | El Ranchito lava |
Location
| Latitude | 28.4166 |
|---|---|
| Longitude | -104.667 |
| Location | 1.5km NW of R. El Chupadero |
| 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 | 68.31 | WT% | XRF | |
| TIO2 | 0.57 | WT% | XRF | |
| AL2O3 | 15.7 | WT% | XRF | |
| FE2O3 | 0.6 | WT% | XRF | |
| FEO | 2.98 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 0.48 | WT% | XRF | |
| CAO | 1.18 | WT% | XRF | |
| NA2O | 4.23 | WT% | XRF | |
| K2O | 5.72 | WT% | XRF | |
| P2O5 | 0.14 | WT% | XRF | |
| LOI | 1.69 | WT% | XRF | |
| TOTAL | 99.31 | WT% | XRF | |
| V | 12 | PPM | MS-ID | |
| CR | 4 | PPM | MS-ID | |
| NI | 2 | PPM | MS-ID | |
| RB | 143 | PPM | MS-ID | |
| SR | 162 | PPM | MS-ID | |
| Y | 61 | PPM | MS-ID | |
| ZR | 742 | PPM | MS-ID | |
| NB | 44 | PPM | MS-ID | |
| BA | 1007 | PPM | MS-ID | |
| LA | 73 | PPM | MS-ID | |
| CE | 140 | PPM | MS-ID | |
| ND | 72 | PPM | MS-ID | |
| PB | 25 | PPM | MS-ID | |
| TH | 13.2 | PPM | MS-ID |