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Sample 201
NavDat sample number 52825 · ANDESITE
Sample
| Sample ID | 201 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6417 |
|---|
| Longitude | -121.728 |
|---|
| State / province | California |
|---|
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.29 |
|
0.029 |
0.549 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 58 | | WT% | XRF |
| AL2O3 | 16.9 | | WT% | XRF |
| FEOT | 7.8 | | WT% | XRF |
| MGO | 3.12 | | WT% | XRF |
| CAO | 6.42 | | WT% | XRF |
| NA2O | 4.41 | | WT% | XRF |
| K2O | 1.65 | | WT% | XRF |
| TIO2 | 1.21 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| TOTAL | 99.44 | | WT% | XRF |
| LOI | 0.06 | | WT% | XRF |
| RB | 36 | | PPM | XRF |
| SR | 540 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 174 | | PPM | XRF |
| BA | 520 | | PPM | XRF |