of Documents. ANCHORAGE, Alaska--4230 University Dr., Rm. 101 ANCHORAGE, Alaska--605 West 4th Ave., Rm...Virginia--National Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125...Rabbit) Cerro Gordo Chalchihuites Charcas Cortez Darwin Dr ina East Tintic El Porvenir (Milpo) Eureka Hunnan...basalt, limestone; conglomerate, sandstone, tuff, gypsum. Age Range Cambrian to Pliocene. Depositional...and silver). Gahnite in metamorphosed deposits. Gypsum/anhydrite present in some deposits. Texture/Structure |