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Sample MB-261
NavDat sample number 75328 · ANDESITE
Sample
| Sample ID | MB-261 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.832 |
|---|
| Longitude | -121.815 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Dobbs Cleaver |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.105 |
|
0.097 |
0.113 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.39 | | WT% | XRF |
| TIO2 | 1.08 | | WT% | XRF |
| AL2O3 | 16.65 | | WT% | XRF |
| FEOT | 6.35 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| MGO | 3.49 | | WT% | XRF |
| CAO | 5.88 | | WT% | XRF |
| NA2O | 4.37 | | WT% | XRF |
| K2O | 1.88 | | WT% | XRF |
| P2O5 | 0.37 | | WT% | XRF |
| LOI | 0.16 | | WT% | XRF |
