Sample PZ?93
NavDat sample number 12296 · TUFF
Sample
| Sample ID | PZ?93 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - part devit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | same as PZ-92 |
| 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 | 74.7 | WT% | XRF | |
| TIO2 | 0.26 | WT% | XRF | |
| AL2O3 | 13 | WT% | XRF | |
| FE2O3 | 0.28 | WT% | XRF | |
| FEO | 1.4 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.31 | WT% | XRF | |
| CAO | 0.94 | WT% | XRF | |
| NA2O | 3.45 | WT% | XRF | |
| K2O | 5.56 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| LOI | 1.26 | WT% | XRF | |
| TOTAL | 100.1 | WT% | XRF | |
| RB | 223 | PPM | MS-ID | |
| SR | 93 | PPM | MS-ID | |
| Y | 58 | PPM | MS-ID | |
| ZR | 251 | PPM | MS-ID | |
| NB | 35 | PPM | MS-ID | |
| PB | 31 | PPM | MS-ID | |
| TH | 25.1 | PPM | MS-ID |