Sample M327
NavDat sample number 12294 · TUFF
Sample
| Sample ID | M327 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | La Cuesta tuff - part devit |
Location
| Latitude | 28.8333 |
|---|---|
| Longitude | -104 |
| Location | 2.5km E of R. La Vibora |
| 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 | 74.39 | WT% | XRF | |
| TIO2 | 0.27 | WT% | XRF | |
| AL2O3 | 13.27 | WT% | XRF | |
| FE2O3 | 0.29 | WT% | XRF | |
| FEO | 1.45 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.33 | WT% | XRF | |
| CAO | 0.75 | WT% | XRF | |
| NA2O | 3.09 | WT% | XRF | |
| K2O | 6.06 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| LOI | 1.36 | WT% | XRF | |
| TOTAL | 100.09 | WT% | XRF | |
| V | 14 | PPM | MS-ID | |
| CR | 5 | PPM | MS-ID | |
| RB | 236 | PPM | MS-ID | |
| SR | 109 | PPM | MS-ID | |
| Y | 57 | PPM | MS-ID | |
| ZR | 288 | PPM | MS-ID | |
| NB | 43 | PPM | MS-ID | |
| BA | 403 | PPM | MS-ID | |
| LA | 76 | PPM | MS-ID | |
| CE | 155 | PPM | MS-ID | |
| ND | 56 | PPM | MS-ID | |
| PB | 42 | PPM | MS-ID | |
| TH | 26 | PPM | MS-ID |