Sample PZ?94
NavDat sample number 12302 · TUFF
Sample
| Sample ID | PZ?94 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - vit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | S flank of hill in town of Pozos |
| 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 | 73.44 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| AL2O3 | 13.54 | WT% | XRF | |
| FE2O3 | 0.3 | WT% | XRF | |
| FEO | 1.52 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.22 | WT% | XRF | |
| CAO | 0.93 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| K2O | 6.07 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 1.89 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| V | 8 | PPM | MS-ID | |
| CR | 4 | PPM | MS-ID | |
| RB | 190 | PPM | MS-ID | |
| SR | 96 | PPM | MS-ID | |
| Y | 53 | PPM | MS-ID | |
| ZR | 297 | PPM | MS-ID | |
| NB | 38 | PPM | MS-ID | |
| BA | 455 | PPM | MS-ID | |
| LA | 73 | PPM | MS-ID | |
| CE | 156 | PPM | MS-ID | |
| ND | 58 | PPM | MS-ID | |
| PB | 46 | PPM | MS-ID | |
| TH | 26.3 | PPM | MS-ID |