Guidebook; Death Valley Region, California and Nevada - Prepared for 70th Annual Meeting of the Cordilleran Section, the Geological Society of America, Field Trip Number 1 #272256

The carbonate formations can be followed through the Spring Mountains with little lithologic change: some are cut out by unconformities. Facies changes occur between the Spring Mountains and Frenchman Mountain, but the general characteristics of the formations are maintained. All the car bonate formations that have been studied suggest deposition in shallow marine or marginal marine environments (gans.