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Sample OE38
NavDat sample number 14612 · BASALT
Sample
| Sample ID | OE38 |
|---|
| Rock name | BASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Porphyritic olivine basalt |
|---|
Location
| Latitude | 40.4767 |
|---|
| Longitude | -122.016 |
|---|
| Location | Mt. St. Helens |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 25.05 |
|
16.4 |
33.7 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 47.1 | | WT% | AAS |
| AL2O3 | 17.6 | | WT% | AAS |
| FE2O3 | 3.84 | | WT% | AAS |
| FEO | 6.97 | | WT% | AAS |
| MGO | 8.36 | | WT% | AAS |
| CAO | 10.6 | | WT% | AAS |
| NA2O | 2.18 | | WT% | AAS |
| K2O | 0.34 | | WT% | AAS |
| H2O | 0.7 | | WT% | AAS |
| H2O_MINUS | 1.25 | | WT% | AAS |
| TIO2 | 1.3 | | WT% | AAS |
| P2O5 | 0.11 | | WT% | AAS |
| MNO | 0.18 | | WT% | AAS |
| TOTAL | 100.58 | | WT% | UNKNOWN |
