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Sample FRD-10
NavDat sample number 37049 · BASALT
Sample
| Sample ID | FRD-10 |
|---|
| Rock name | BASALT |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Roadcut in lava flow of the basalt of Juniper Flat. Normal-polarity. Plagioclase 2% and olivine 2% phenocrysts in a seriate, subopthic to ophitic groundmass of plagioclase, augite, olivine, opaque minerals, and cryptocrystalline material; most olivine phenocrysts have thin iddingsite selvages developed along fractures |
Location
| Latitude | 45.2263 |
|---|
| Longitude | -121.125 |
|---|
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 2.81 |
|
2.45 |
3.17 |
|
|
Analyses
No chemical analyses are stored for this sample.