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Sample MB-490
NavDat sample number 75471 · ANDESITE
Sample
| Sample ID | MB-490 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.843 |
|---|
| Longitude | -121.718 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Ochotona complex |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.189 |
|
0.178 |
0.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.96 | | WT% | XRF |
| TIO2 | 0.86 | | WT% | XRF |
| AL2O3 | 16.74 | | WT% | XRF |
| FEOT | 5.03 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 3.21 | | WT% | XRF |
| CAO | 5.89 | | WT% | XRF |
| NA2O | 4.22 | | WT% | XRF |
| K2O | 2.3 | | WT% | XRF |
| P2O5 | 0.3 | | WT% | XRF |
| LOI | 0.19 | | WT% | XRF |
