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Sample UAKA-76-41

NavDat sample number 124026 · ANDESITE

Sample

Sample IDUAKA-76-41
Rock nameANDESITE
Rock typeVOLCANIC
CompositionINTERMEDIATE
MaterialIGNEOUS
CommentHornblende in andesite intrusion. North end of a 1.5 km long vertical dike that strikes N 60deg E, cutting the Gunnery Range Granite in the sothern Cabeza Prieta Mtns. Three circular pipes of similar rock have been found in nearby hills. The dike and pipes were probably conduits for some Cabeza Prieta lava flows.

Location

Latitude32.2452
Longitude-113.844
LocationTule Mtn. Quad., Yuma Co., AZ
State / provinceArizona

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
17.81 17.29 18.33

Analyses

No chemical analyses are stored for this sample.

References