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Sample 2E125B
NavDat sample number 14620 · DIORITE
Sample
| Sample ID | 2E125B |
|---|
| Rock name | DIORITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Medium-grained pyroxene diorite |
|---|
Location
| Latitude | 46.2857 |
|---|
| Longitude | -122.111 |
|---|
| 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 | 55.7 | | WT% | AAS |
| AL2O3 | 17.3 | | WT% | AAS |
| FE2O3 | 2.59 | | WT% | AAS |
| FEO | 4.85 | | WT% | AAS |
| MGO | 3.54 | | WT% | AAS |
| CAO | 7.68 | | WT% | AAS |
| NA2O | 2.95 | | WT% | AAS |
| K2O | 1.1 | | WT% | AAS |
| H2O | 1.54 | | WT% | AAS |
| H2O_MINUS | 0.75 | | WT% | AAS |
| TIO2 | 1.06 | | WT% | AAS |
| P2O5 | 0.17 | | WT% | AAS |
| MNO | 0.12 | | WT% | AAS |
| TOTAL | 99.81 | | WT% | UNKNOWN |
