Sample 325
NavDat sample number 66023 · TRACHYANDESITE
Sample
| Sample ID | 325 |
|---|---|
| Alternate ID | 98-MAD-203 |
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Ferroandesite |
Location
| Latitude | 45.328 |
|---|---|
| Longitude | -118.15 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1152 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.78 | WT% | XRF | |
| AL2O3 | 13.21 | WT% | XRF | |
| TIO2 | 1.971 | WT% | XRF | |
| FEOT | 10.25 | WT% | XRF | |
| MNO | 0.221 | WT% | XRF | |
| CAO | 5.42 | WT% | XRF | |
| MGO | 1.78 | WT% | XRF | |
| K2O | 3.02 | WT% | XRF | |
| NA2O | 3.56 | WT% | XRF | |
| P2O5 | 0.786 | WT% | XRF | |
| SC | 20 | PPM | XRF | |
| V | 81 | PPM | XRF | |
| BA | 894 | PPM | XRF | |
| RB | 63 | PPM | XRF | |
| SR | 313 | PPM | XRF | |
| ZR | 240 | PPM | XRF | |
| Y | 57 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| ZN | 145 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| LA | 27 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| TH | 9 | PPM | XRF |