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Sample NA-258
NavDat sample number 6986 · ANDESITE
Sample
| Sample ID | NA-258 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.089 |
|---|
| Longitude | -122.481 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 40 |
|
35 |
45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.42 | | WT% | XRF |
| TIO2 | 0.73 | | WT% | XRF |
| AL2O3 | 18.58 | | WT% | XRF |
| FEOT | 6.76 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 2.55 | | WT% | AAS |
| CAO | 7.35 | | WT% | XRF |
| NA2O | 3.32 | | WT% | XRF |
| K2O | 2.07 | | WT% | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| TOTAL | 98.82 | | WT% | XRF |
| LOI | 1.61 | | WT% | XRF |
| RB | 64 | | PPM | XRF |
| SR | 533 | | PPM | XRF |
| ZR | 106 | | PPM | XRF |
| NI | 17 | | PPM | XRF |
