Alunitic alteration at Marysvale, Utah

Deposits of alunited in the Marsvale region Utha, are nearly all confined to the Bullion Canyon Volcanics of Tertiary age. the deposits consist of two types, alunited veins and irregular alunite replacement bodies. The vein deposits are restrcited to the vicinity of Alunite Ridge southwest of Marysvale in the Tushar Mountains, and the replacement bodies are distributed circumferentially about a quartz monzonite stock in the Antelope Range northeast of the village.