(Redirected from Carat (purity)) The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of fine metal therein, in proportion to the total weight which includes alloyed base metals and any impurities.
Fort Redoubt, is actually called Advance Redoubt, and is one of four Third System fortifications, built to protect the Pensacola Navy Yard, located in Pensacola FL.
Advance warnings were made for a number of eruptive events during the 1989-90 eruptions of Redoubt Volcano, as well as two of the three eruptions of Mount Spurr in 1992.. For more information on AVO's monitoring efforts, see: The Alaska Volcano Observatory - expanded monitoring of volcanoes yields results.