(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.
Fort Bourke Hill is the historical site of Cobar's first gold Mine, the New Cobar Gold Mine. Peak Gold Mines operates an underground mine at Fort Bourke and the visitor can gain a spectacular view of the pit from the viewing platform.he Mt Grenfell Historic Site is located 67 kilometres north-west of Cobar on the Barrier Highway. The site, managed by the NSW National Parks and Wildlife Service, is accessed by turning off the highway at the 40 kilometres turn-off. The road is un-sealed for the next 27 kilometres.