Geology of the Christmas quadrangle, Gila and Pinal Counties, Arizona

Abstract

Page Tertiary and Quaternary rocks______________________________________ E36 Gila Conglomerate___________________________________________ Quaternary deposits.______________________________________________ Older alluvium________________________________________________ Pediment gravels_____-________________________________________ Younger alluvium_____________________________________________ Talus. _____________________________________ Tufa.______________-_______________________ Structure. ________________________________________________________ Folds_______________.____________________ Deer Creek syncline.______________________________________ Dicks Spring Canyon syncline_____________________________ Other folds_______________________________________ Thrust faults___-______________-_-_-_-_-_-_-____________ Reed Basin thrust.________________________________________ Thrust northwest of Coolidge Dam__________________________ Thrust in Dicks Spring Canyon.____________________________ High-angle faults ______________________________________________ Red Rooster-Quartzite Mountain fault zone_________________ Dicks Spring fault______________-__________________________ Mescal Creek fault._______________________________________ Hawk Canyon fault______________________________________ Bull Basin fault.______________________________ Other faults_.-________________________________ Ore deposits ______________________________________________________ Christmas mine__-____________-__-___-_-__-_______________ History._________________________________________________ Geology__________________________________________________ Ore bodies________________________________________________ Geologic controls of the mineralization.__________________ Iron deposit-__________________________-_____l_______________-Geologic history___________________________________________________ References cited_________________________________________________ Index________________________________________________________ 5.