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Sample FRD-10

NavDat sample number 37049 · BASALT

Sample

Sample IDFRD-10
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
CommentRoadcut 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

Latitude45.2263
Longitude-121.125
State / provinceOregon

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
2.81 2.45 3.17

Analyses

No chemical analyses are stored for this sample.

References