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Sample 91494-2D
NavDat sample number 41414 · ANDESITE
Sample
| Sample ID | 91494-2D |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.327 |
|---|
| Longitude | -122.636 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 18 |
|
17 |
19 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.77 | | WT% | XRF |
| TIO2 | 1.46 | | WT% | XRF |
| AL2O3 | 16.71 | | WT% | XRF |
| FEOT | 6.36 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 1.02 | | WT% | XRF |
| CAO | 5.34 | | WT% | XRF |
| NA2O | 3.83 | | WT% | XRF |
| K2O | 2.03 | | WT% | XRF |
| P2O5 | 0.39 | | WT% | XRF |
| TOTAL | 99.4 | | WT% | XRF |
| LOI | 2.8 | | WT% | XRF |
| BA | 550 | | PPM | XRF |
| RB | 61 | | PPM | XRF |
| SR | 374 | | PPM | XRF |
| Y | 38 | | PPM | XRF |
| ZR | 188 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
