Timan Region I. Kh. Shumilov Geological Institute, Komi Scientific Center, Ural Division, Russian Academy...Sciences, ul. Pervomaiskaya 54, Syktyvkar, 167982 Russia Received February 5, 2007 Abstract—Copper sulfide...It was established that jurleite rather than chalcocite, as was previously assumed, is the major copper...than 250 km from the Sula River in the north to the Pechorskaya Pizhma River in the south. Numerous stratified...1). Copper ore has been known in the Tsil’ma River basin since ancient times. The first documented information |