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Sample MB-481
NavDat sample number 75437 · ANDESITE
Sample
| Sample ID | MB-481 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.823 |
|---|
| Longitude | -121.752 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Lasiocarpa Ridge |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.515 |
|
0.507 |
0.523 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.97 | | WT% | XRF |
| TIO2 | 0.89 | | WT% | XRF |
| AL2O3 | 16.99 | | WT% | XRF |
| FEOT | 5.44 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| MGO | 2.81 | | WT% | XRF |
| CAO | 5.89 | | WT% | XRF |
| NA2O | 3.96 | | WT% | XRF |
| K2O | 2.27 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| LOI | 4.7 | | WT% | XRF |
