Sample Mitch4
NavDat sample number 12659
Sample
| Sample ID | Mitch4 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | rhyolite ashflow tuff |
Location
| Latitude | 29.9167 |
|---|---|
| Longitude | -104.5 |
| Location | Mitchell Mesa Rhyolite |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.77 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.6 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 11.4 | WT% | XRF | |
| FE2O3 | 1.79 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 0.13 | WT% | XRF | |
| CAO | 0.14 | WT% | XRF | |
| NA2O | 3.12 | WT% | XRF | |
| K2O | 5.95 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| H2O_PLUS | 0.39 | WT% | XRF | |
| H2O_MINUS | 0.17 | WT% | XRF | |
| TOTAL | 99.89 | WT% | XRF | |
| ZN | 83 | PPM | MS-ID | |
| RB | 355 | PPM | MS-ID | |
| SR | 10 | PPM | MS-ID | |
| Y | 189 | PPM | MS-ID | |
| ZR | 483 | PPM | MS-ID | |
| NB | 168 | PPM | MS-ID | |
| CE | 86.8 | PPM | MS-ID | |
| ND | 32.7 | PPM | MS-ID | |
| SM | 8.5 | PPM | MS-ID | |
| EU | 0.725 | PPM | MS-ID | |
| GD | 8.48 | PPM | MS-ID | |
| DY | 12.7 | PPM | MS-ID | |
| ER | 9 | PPM | MS-ID | |
| YB | 9.6 | PPM | MS-ID |