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Sample 776
NavDat sample number 10727 · ANDESITE
Sample
| Sample ID | 776 |
|---|
| Alternate ID | 35-P |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Andesite |
Location
| Latitude | 44.531 |
|---|
| Longitude | -118.736 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
| Elevation | 1463 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 39.3 |
|
23.8 |
54.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 60.3 | | WT% | XRF |
| AL2O3 | 18.1 | | WT% | XRF |
| TIO2 | 0.827 | | WT% | XRF |
| FEOT | 6.58 | | WT% | XRF |
| MNO | 0.141 | | WT% | XRF |
| CAO | 6.69 | | WT% | XRF |
| MGO | 1.98 | | WT% | XRF |
| K2O | 1.18 | | WT% | XRF |
| NA2O | 3.85 | | WT% | XRF |
| P2O5 | 0.353 | | WT% | XRF |