Happy Valley | Pima County.
Transposed and folded bedding in marble tectonite, highlighted by resistant siliceous layers. These rocks lie in the footwall of the Catalina-Rincon detachment fault in the eastern Rincon Mountains.
Online resource:
The geologic map and report by Jon Spencer, Brad Johnson and others, "Geologic map of the Happy Valley 7 ½' Quadrangle, Cochise and Pima Counties, Arizona", http://repository.azgs.az.gov/uri_gin/azgs/dlio/1360
