Sample M341
NavDat sample number 12253 · PYROCLASTIC FALL
Sample
| Sample ID | M341 |
|---|---|
| Rock name | PYROCLASTIC FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | tuff - part devit |
Location
| Latitude | 29.1667 |
|---|---|
| Longitude | -104 |
| Location | Sierra Rica |
| State / province | Chihuahua |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 30.2 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.78 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 11.71 | WT% | XRF | |
| FE2O3 | 0.27 | WT% | XRF | |
| FEO | 1.36 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.11 | WT% | XRF | |
| CAO | 0.75 | WT% | XRF | |
| NA2O | 3.73 | WT% | XRF | |
| K2O | 5.02 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| LOI | 1.29 | WT% | XRF | |
| TOTAL | 101.27 | WT% | XRF | |
| RB | 285 | PPM | MS-ID | |
| SR | 36 | PPM | MS-ID | |
| Y | 66 | PPM | MS-ID | |
| ZR | 250 | PPM | MS-ID | |
| NB | 61 | PPM | MS-ID | |
| PB | 46 | PPM | MS-ID | |
| TH | 31.1 | PPM | MS-ID |