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Sample KW-913-67

NavDat sample number 4100 · BASALT

Sample

Sample IDKW-913-67
Rock nameBASALT
Rock typeVOLCANIC
CompositionMAFIC
MaterialIGNEOUS
Collected byK.L. Wier
Commentdark-grey to black and mottled; small olivine and plagioclase crystals in matrix of smaller plagioclase and pyroxene; interbedded with Tertiary sediments; correlated with part of the Renova Formation of Kuenzi and Fields 1971

Location

Latitude45.2819
Longitude-112.057
LocationWilliams Gulch Road; Madison County
State / provinceMontana

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
30.3 28.7 31.9

Analyses

No chemical analyses are stored for this sample.

References