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Sample 1856
NavDat sample number 53251 · ANDESITE
Sample
| Sample ID | 1856 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
|---|
Location
| Latitude | 41.6282 |
|---|
| Longitude | -121.51 |
|---|
| 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 | 53.7 | | WT% | XRF |
| AL2O3 | 18.1 | | WT% | XRF |
| FEOT | 7.74 | | WT% | XRF |
| MGO | 5.38 | | WT% | XRF |
| CAO | 9.35 | | WT% | XRF |
| NA2O | 3.54 | | WT% | XRF |
| K2O | 0.78 | | WT% | XRF |
| TIO2 | 1.02 | | WT% | XRF |
| P2O5 | 0.23 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| TOTAL | 99.15 | | WT% | XRF |
| LOI | 0.48 | | WT% | XRF |
| RB | 14 | | PPM | XRF |
| SR | 630 | | PPM | XRF |
| Y | 20 | | PPM | XRF |
| ZR | 126 | | PPM | XRF |
