← Search
Sample FRMT-1
NavDat sample number 37030 · BASALTIC-ANDESITE
Sample
| Sample ID | FRMT-1 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | roadcut in lava flow. Reversed-polarity. Rare plagioclase phenocrysts in a trachytic-intergranular groundmass of plagioclase, pyroxene, and opaque minerals; traces of oxidation along fractures |
|---|
Location
| Latitude | 45.5637 |
|---|
| Longitude | -121.519 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.57 |
|
0.51 |
0.63 |
|
|
Analyses
No chemical analyses are stored for this sample.
