Abstract
About chemistry of tourmaline from Mnogovershinnoe ore deposit (Khabarovsk Krai, Far East)
Highlights
IntroductionIs type of deposits includes Mnogovershinnoe in the Khabarovsk Krai, in which the formation of tourmaline is associated with hydrothermal activity due to the intrusion of post-mineral granitoids [5]
Tourmaline-supergroup minerals with the general formula XY3Z6 [T6O18] [BO3]3V3W, where X = Na, Ca, K,; Y = Li, Mg, Fe2+, Mn2+, Ni, Al, Cr3+, V3+, Fe3+, (Ti4+); Z = Mg, Fe2+, Al, Fe3+, V3+, Cr3+; T = Si, Al, (B) (Fe3+); B = B, ; V = OH, O; W = OH, F, O [1] are stable in the range from low-temperature hydrothermal conditions to magmatic and high pressured metamorphic conditions. ey are characterized by an extraordinary variety of chemical composition and various types of chemical substitutions, which allows us to consider tourmalines as an indicator of mineral formation conditions and an important criterion for prospection and exploration [2,3,4]
Samples of tourmaline were selected within prospecting sites of Zamanchivy
Summary
Is type of deposits includes Mnogovershinnoe in the Khabarovsk Krai, in which the formation of tourmaline is associated with hydrothermal activity due to the intrusion of post-mineral granitoids [5]. Erefore, the purpose of this study is to characterize the chemical composition of tourmaline to determine its formational identity and the assumption on this basis about the presence of possible new types of mineralization for the deposit. Brief geology e Mnogovershinnoe gold deposit is located in the Nikolaevskiy region of the Khabarovsk Krai, 135 km north of Nikolaevsk-on-Amur and 17 km from the coast of the Sea of Okhotsk. It was discovered in 1959; the detailed exploration began in 1963, and acquisition – in 1991
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