Sample M326
NavDat sample number 12297 · TUFF
Sample
| Sample ID | M326 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - part devit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | 0.3km N of M327 |
| 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 | 74.69 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 12.92 | WT% | XRF | |
| FE2O3 | 0.25 | WT% | XRF | |
| FEO | 1.26 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.11 | WT% | XRF | |
| CAO | 1.17 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| K2O | 5.74 | WT% | XRF | |
| P2O5 | 0.04 | WT% | XRF | |
| LOI | 0.9 | WT% | XRF | |
| TOTAL | 101.6 | WT% | XRF | |
| RB | 250 | PPM | MS-ID | |
| SR | 67 | PPM | MS-ID | |
| Y | 47 | PPM | MS-ID | |
| ZR | 233 | PPM | MS-ID | |
| NB | 30 | PPM | MS-ID | |
| PB | 31 | PPM | MS-ID | |
| TH | 29.1 | PPM | MS-ID |