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Sample S91-H214

NavDat sample number 37050 · BASALT

Sample

Sample IDS91-H214
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
CommentRoadcut in lava flow. Reversed-polarity. Plagioclase 2% and olivine 2% phenocrysts in an ophitic, diktytaxitic groundmass of plagioclase, augite, opaque minerals, and glass or cryptocrytalline material; all olivine phenocrysts are affected by iddingsite; traces of hematite in groundmass.

Location

Latitude45.3947
Longitude-121.966
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.82 2.71 2.93

Analyses

No chemical analyses are stored for this sample.

References