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Sample MB-573a
NavDat sample number 75300 · ANDESITE
Sample
| Sample ID | MB-573a |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.827 |
|---|
| Longitude | -121.846 |
|---|
| State / province | washington |
|---|
| Formation | diatreme-like andesitic vent complex |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.155 |
|
1.0395 |
1.2705 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 58.48 | | WT% | XRF |
| TIO2 | 1.76 | | WT% | XRF |
| AL2O3 | 24.47 | | WT% | XRF |
| FEOT | 3.86 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.97 | | WT% | XRF |
| CAO | 5.72 | | WT% | XRF |
| NA2O | 3.25 | | WT% | XRF |
| K2O | 0.58 | | WT% | XRF |
| P2O5 | 0.47 | | WT% | XRF |
| LOI | 10.88 | | WT% | XRF |