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Sample MB-475
NavDat sample number 75577 · BASALT
Sample
| Sample ID | MB-475 |
|---|
| Rock name | BASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.827 |
|---|
| Longitude | -121.759 |
|---|
| State / province | washington |
|---|
| Formation | Intracaldera intrusion of basaltic composition |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 2.2 |
|
1.8 |
2.6 |
early Pleistocene |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 51.39 | | WT% | XRF |
| TIO2 | 1.22 | | WT% | XRF |
| AL2O3 | 17.9 | | WT% | XRF |
| FEOT | 8.54 | | WT% | XRF |
| MNO | 0.18 | | WT% | XRF |
| MGO | 7.23 | | WT% | XRF |
| CAO | 9.02 | | WT% | XRF |
| NA2O | 3.2 | | WT% | XRF |
| K2O | 0.67 | | WT% | XRF |
| P2O5 | 0.26 | | WT% | XRF |
| LOI | 2.79 | | WT% | XRF |
