Sample PZ?92
NavDat sample number 12299 · TUFF
Sample
| Sample ID | PZ?92 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - slightly devit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | 1km S of R. El Carrizal |
| State / province | Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.8 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.2 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 12.52 | WT% | XRF | |
| FE2O3 | 0.24 | WT% | XRF | |
| FEO | 1.2 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.8 | WT% | XRF | |
| CAO | 0.63 | WT% | XRF | |
| NA2O | 2.44 | WT% | XRF | |
| K2O | 5.66 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 3.55 | WT% | XRF | |
| TOTAL | 99.91 | WT% | XRF | |
| RB | 237 | PPM | MS-ID | |
| SR | 62 | PPM | MS-ID | |
| Y | 54 | PPM | MS-ID | |
| ZR | 187 | PPM | MS-ID | |
| NB | 34 | PPM | MS-ID | |
| PB | 78 | PPM | MS-ID | |
| TH | 25.6 | PPM | MS-ID |