Sample 1934
NavDat sample number 53353 · TRACHYTE
Sample
| Sample ID | 1934 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7883 |
|---|---|
| Longitude | -121.565 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.7 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 3.45 | WT% | XRF | |
| MGO | 0.18 | WT% | XRF | |
| CAO | 1.79 | WT% | XRF | |
| NA2O | 5.35 | WT% | XRF | |
| K2O | 3.18 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| TOTAL | 98.45 | WT% | XRF | |
| LOI | 1.28 | WT% | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 219 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 293 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 852 | PPM | XRF | |
| NI | 3 | PPM | XRF | |
| CU | 38 | PPM | XRF | |
| ZN | 69 | PPM | XRF |