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Sample UAKA-74-122

NavDat sample number 124035 · ANDESITE

Sample

Sample IDUAKA-74-122
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
CommentWhole rock, Cabeza Prieta Volcanics andesite. Lowest agglomeratic flow unit on Cabeza Prieta Peak. Clasts over 1 m diameter are common in this 40 m thick unit. It rests on a steep erosion surface cut in Gunnery Range granite, preserving a fossil desert topography. Same volcanic sequence as # 110 (UAKA-76-41)

Location

Latitude32.2865
Longitude-113.81
LocationCabeza Prieta Peak Quad., Yuma Co., AZ
State / provinceArizona

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
16.12 15.71 16.53

Analyses

No chemical analyses are stored for this sample.

References