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Sample S92-H284
NavDat sample number 37037 · BASALTIC-ANDESITE
Sample
| Sample ID | S92-H284 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Outcrop of lava flow of slope approximately500ft below sample S92-H282. Reversed-polarity. May be same location as Wise sample 114 Wise,1969. Olivine 3% and plagioclase 2% phenocrysts in a very fine-grained intergranular groundmass of plagioclase, pyroxene, and opaque minerals; essentially free of alteraton; similar chemically and petrographically to sample S92-H282 |
Location
| Latitude | 45.2518 |
|---|
| Longitude | -121.544 |
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| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 2.07 |
|
1.91 |
2.23 |
|
|
Analyses
No chemical analyses are stored for this sample.