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Sample 241
NavDat sample number 53316 · TRACHYTE
Sample
| Sample ID | 241 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7867 |
|---|
| Longitude | -121.567 |
|---|
| 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 | 66.9 | | WT% | XRF |
| AL2O3 | 16.3 | | WT% | XRF |
| FEOT | 3.81 | | WT% | XRF |
| MGO | 1.29 | | WT% | XRF |
| CAO | 2.96 | | WT% | XRF |
| NA2O | 4.74 | | WT% | XRF |
| K2O | 2.9 | | WT% | XRF |
| TIO2 | 0.73 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| TOTAL | 97.1 | | WT% | XRF |
| LOI | 2.94 | | WT% | XRF |