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Sample MB-249
NavDat sample number 75200 · ANDESITE
Sample
| Sample ID | MB-249 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.77 |
|---|
| Longitude | -121.907 |
|---|
| State / province | washington |
|---|
| Formation | Black Buttes stratocone |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.339 |
|
0.328 |
0.35 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.55 | | WT% | XRF |
| TIO2 | 1.04 | | WT% | XRF |
| AL2O3 | 17.98 | | WT% | XRF |
| FEOT | 6.05 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| MGO | 2.36 | | WT% | XRF |
| CAO | 5.38 | | WT% | XRF |
| NA2O | 5.41 | | WT% | XRF |
| K2O | 1.3 | | WT% | XRF |
| P2O5 | 0.38 | | WT% | XRF |
| LOI | 0.04 | | WT% | XRF |
