Sample 1935
NavDat sample number 53354 · TRACHYTE
Sample
| Sample ID | 1935 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7887 |
|---|---|
| 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 | 69.1 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 3.38 | WT% | XRF | |
| MGO | 0.19 | WT% | XRF | |
| CAO | 1.66 | WT% | XRF | |
| NA2O | 5.31 | WT% | XRF | |
| K2O | 3.06 | WT% | XRF | |
| TIO2 | 0.71 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| TOTAL | 98.31 | WT% | XRF | |
| LOI | 1.4 | WT% | XRF | |
| RB | 53 | PPM | XRF | |
| SR | 211 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 297 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 851 | PPM | XRF | |
| NI | 7 | PPM | XRF | |
| CU | 35 | PPM | XRF | |
| ZN | 68 | PPM | XRF |