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Sample 1845
NavDat sample number 53346 · TRACHYTE
Sample
| Sample ID | 1845 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
|---|
Location
| Latitude | 41.7577 |
|---|
| Longitude | -121.733 |
|---|
| 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 | 70.9 | | WT% | XRF |
| AL2O3 | 15.3 | | WT% | XRF |
| FEOT | 2.55 | | WT% | XRF |
| MGO | 0.67 | | WT% | XRF |
| CAO | 2.11 | | WT% | XRF |
| NA2O | 4.69 | | WT% | XRF |
| K2O | 3.14 | | WT% | XRF |
| TIO2 | 0.47 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| TOTAL | 96.51 | | WT% | XRF |
| LOI | 3.15 | | WT% | XRF |
| RB | 74 | | PPM | XRF |
| SR | 285 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 198 | | PPM | XRF |
| BA | 740 | | PPM | XRF |
