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A Canadian exploration firm has signed a licensing agreement with Guyana that could see the restart of manganese mining in the country.On Monday,Eduardo Herrera Mexico Jersey, Kampta Persaud, Manager of Geological Services, Guyana Geology and Mines Commission (GGMC),Mexico Jersey, and David Fennell and James Crombie,Edson Puch Chile Jersey, on behalf of a private mining firm, signed the agreement paving the way for the company to explore for manganese and iron resources in Regions One and Nine.The Canada-based company,Efrain Velarde Mexico Jersey, through a Guyanese subsidiary, has been conducting mining operations and exploratory works in Guyana since 1983,Nicklas Barkroth Sweden Jersey, a government statement has said.Guyana has several known occurrences of manganese and iron resources. Manganese is a silvery-gray metal resembling iron. It is hard and very brittle,Gary Medel Chile Jersey, difficult to fuse,Charles Aranguiz Chile Jersey, but easy to oxidizeThe mineral is primarily found in Matthews Ridge and Pipaini in Region One,Rafael Marquez Mexico Jersey, while iron ore occurrences are concentrated at the head of the Pomeroon River and in the South Rupununi.Matthews Ridge was named after FPF Matthews,Marco Fabian Mexico Jersey, a government economic geologist who first discovered manganese in the area in 1951.Manganese mining started in 1960 and ceased in 1968, reportedly due to declining grade of the ore.