Sample PZ?77
NavDat sample number 12298 · TUFF
Sample
| Sample ID | PZ?77 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - part devit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | Sierra Los angeles, 1.5km S of Las Mangas |
| 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 | 75.38 | WT% | XRF | |
| TIO2 | 0.22 | WT% | XRF | |
| AL2O3 | 12.7 | WT% | XRF | |
| FE2O3 | 0.25 | WT% | XRF | |
| FEO | 1.25 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.29 | WT% | XRF | |
| CAO | 0.83 | WT% | XRF | |
| NA2O | 3.63 | WT% | XRF | |
| K2O | 5.32 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| LOI | 0.6 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| RB | 246 | PPM | MS-ID | |
| SR | 56 | PPM | MS-ID | |
| Y | 60 | PPM | MS-ID | |
| ZR | 227 | PPM | MS-ID | |
| NB | 37 | PPM | MS-ID | |
| PB | 49 | PPM | MS-ID | |
| TH | 29.2 | PPM | MS-ID |