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Sample S92-H282
NavDat sample number 37041 · BASALTIC-ANDESITE
Sample
| Sample ID | S92-H282 |
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| Rock name | BASALTIC-ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Outcrop of lava flow on slope approximately500 ft above sample S92-H284. Indeterminate magnetic polarity by fluxgate magnetometer at this site. May be same location as Wise sample 113 Wise, 1969. Olivine 3% and plagioclase 2% in a very fine-grained intergranular groundmass of plagioclase, pyroxene, and opaque minerals; most olivine phenocrysts affected by wispy iddingsite along fractures; similar chemically and petrographically to sample S82-H284 |
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Location
| Latitude | 45.2533 |
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| Longitude | -121.541 |
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| State / province | Oregon |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 2.24 |
|
2.13 |
2.35 |
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Analyses
No chemical analyses are stored for this sample.
