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Sample MB-246
NavDat sample number 75197 · ANDESITE
Sample
| Sample ID | MB-246 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.768 |
|---|
| Longitude | -121.88 |
|---|
| State / province | washington |
|---|
| Formation | Black Buttes stratocone |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.346 |
|
0.337 |
0.355 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.79 | | WT% | XRF |
| TIO2 | 0.86 | | WT% | XRF |
| AL2O3 | 17.92 | | WT% | XRF |
| FEOT | 5.39 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 3.18 | | WT% | XRF |
| CAO | 6.45 | | WT% | XRF |
| NA2O | 4.08 | | WT% | XRF |
| K2O | 1.57 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
| LOI | 0.16 | | WT% | XRF |
