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Sample BR-280
NavDat sample number 55412 · ANDESITE
Sample
| Sample ID | BR-280 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.1831 |
|---|
| Longitude | -122.243 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26 |
|
17 |
35 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.29 | | WT% | XRF |
| TIO2 | 1.31 | | WT% | XRF |
| AL2O3 | 16.22 | | WT% | XRF |
| FEOT | 8.06 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| MGO | 3.48 | | WT% | XRF |
| CAO | 7.05 | | WT% | XRF |
| NA2O | 4.08 | | WT% | XRF |
| K2O | 1.14 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| TOTAL | 100.31 | | WT% | XRF |
| LOI | 0.77 | | WT% | XRF |
