Geology & Minerals: Gila National Forest, Reserve District

 Link to the Gila Forest web siteThe Reserve Ranger District (outlined in white on the geologic map) is located within the Datil-Mogollon volcanic field.  The grey areas on the map represent andesite or basaltic andesite.  The blue represents rhyolitic ash-flow tuffs.  The pink represents rhyolite flows and their associated tuffs.  The yellow and yellow-green areas are Quaternary and Tertiary sediments and sedimentary rocks.

For more information and pictures of the Reserve District, see the Gila Forest Web site.