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Sample 203
NavDat sample number 52827 · ANDESITE
Sample
| Sample ID | 203 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
|---|
Location
| Latitude | 41.6667 |
|---|
| Longitude | -121.73 |
|---|
| 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 | 60.2 | | WT% | XRF |
| AL2O3 | 16.6 | | WT% | XRF |
| FEOT | 6.9 | | WT% | XRF |
| MGO | 2.6 | | WT% | XRF |
| CAO | 5.52 | | WT% | XRF |
| NA2O | 4.63 | | WT% | XRF |
| K2O | 1.97 | | WT% | XRF |
| TIO2 | 1.14 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| MNO | 0.13 | | WT% | XRF |
| TOTAL | 99.45 | | WT% | XRF |
| LOI | 0.01 | | WT% | XRF |
| RB | 46 | | PPM | XRF |
| SR | 480 | | PPM | XRF |
| Y | 30 | | PPM | XRF |
| ZR | 198 | | PPM | XRF |
| BA | 550 | | PPM | XRF |
