Granite Mountain (Utah) Granite Mountain (Utah) Granite Mountain is a mass of solid rock one mile up Little Cottonwood Canyon in the Wasatch Range of Utah, not too far from Salt Lake City, Utah. Despite its name, Granite Mountain is primarily composed of quartz monzonite, an igneous rock similar to granite in appearance, physical characteristics, and chemical composition. This is the same material used to construct the Salt Lake Temple and the facade of the LDS Conference Center. The Granite Mountain Records Vault (also known simply as The Vault) is a large archive and vault owned by The Church of Jesus Christ of
Granite 650 °C at a few kBar pressure. Granite has poor primary permeability overall, but strong secondary permeability through cracks and fractures if they are present. Granite is classified according to the QAPF diagram for coarse grained plutonic rocks and is named according to the percentage of quartz, alkali feldspar (orthoclase, sanidine, or microcline) and plagioclase feldspar on the A-Q-P half of the diagram. True granite (according to modern petrologic convention) contains both plagioclase and alkali feldspars. When a granitoid is devoid or nearly devoid of plagioclase, the rock is referred to as alkali feldspar granite. When a granitoid contains less