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Sample MB-239
NavDat sample number 75190 · ANDESITE
Sample
| Sample ID | MB-239 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.778 |
|---|
| Longitude | -121.877 |
|---|
| State / province | washington |
|---|
| Formation | Black Buttes stratocone |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.33 |
|
0.288 |
0.374 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.72 | | WT% | XRF |
| TIO2 | 0.8 | | WT% | XRF |
| AL2O3 | 17.26 | | WT% | XRF |
| FEOT | 5.91 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 5.28 | | WT% | XRF |
| CAO | 7.38 | | WT% | XRF |
| NA2O | 3.59 | | WT% | XRF |
| K2O | 1.26 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| LOI | 0.45 | | WT% | XRF |
