Sample M336
NavDat sample number 12251 · PYROCLASTIC FALL
Sample
| Sample ID | M336 |
|---|---|
| Rock name | PYROCLASTIC FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | tuff - part devit |
Location
| Latitude | 29.1667 |
|---|---|
| Longitude | -104 |
| Location | N flank of Cerro La Damiana |
| 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 | 74.12 | WT% | XRF | |
| TIO2 | 0.25 | WT% | XRF | |
| AL2O3 | 13.51 | WT% | XRF | |
| FE2O3 | 0.32 | WT% | XRF | |
| FEO | 1.61 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.26 | WT% | XRF | |
| CAO | 0.72 | WT% | XRF | |
| NA2O | 4.08 | WT% | XRF | |
| K2O | 5.03 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| LOI | 1.23 | WT% | XRF | |
| TOTAL | 101.61 | WT% | XRF | |
| RB | 221 | PPM | MS-ID | |
| SR | 110 | PPM | MS-ID | |
| Y | 54 | PPM | MS-ID | |
| ZR | 214 | PPM | MS-ID | |
| NB | 46 | PPM | MS-ID | |
| PB | 52 | PPM | MS-ID | |
| TH | 22.3 | PPM | MS-ID |