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Sample NA-256
NavDat sample number 6985 · ANDESITE
Sample
| Sample ID | NA-256 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.066 |
|---|
| Longitude | -122.44 |
|---|
| 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 | 58.38 | | WT% | XRF |
| TIO2 | 0.68 | | WT% | XRF |
| AL2O3 | 18.46 | | WT% | XRF |
| FEOT | 6.55 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 3.93 | | WT% | AAS |
| CAO | 7.1 | | WT% | XRF |
| NA2O | 3.21 | | WT% | XRF |
| K2O | 1.53 | | WT% | XRF |
| P2O5 | 0.13 | | WT% | XRF |
| TOTAL | 101.4 | | WT% | XRF |
| LOI | 2.48 | | WT% | XRF |
| RB | 40 | | PPM | XRF |
| SR | 486 | | PPM | XRF |
| ZR | 107 | | PPM | XRF |
| NI | 15 | | PPM | XRF |
