Structural Characteristics and Processability of Sphalerite in Lead-Zinc Ore of the Gorevka Deposit

Описание

Тип публикации: статья из журнала

Год издания: 2019

Идентификатор DOI: 10.1134/S1062739119066381

Ключевые слова: high-gradient separation, iron-bearing sphalerite, Lead-zinc ore, micro-X-ray spectrum analysis, Mossbauer spectroscopy, pyrrhotine, X-ray phase analysis

Аннотация: The theoretical and experimental substantiation of the behavior of ferrous sphalerite in magnetic separation is given in terms of the Gorevka deposit ore. In sphalerite of this deposit, the content of isomorphous iron ranges as 4–9%. The Móssbauer spectroscopy showed the singlet and two doublet lines of iron, demonstrating separateПоказать полностьюarrays of iron atoms in sphalerite lattice, with formation of Fe-Fe pairs and clusters of three or more iron atoms. It is found that distribution of iron in sphalerite into three forms coincides for magnetic and nonmagnetic products of zinc concentrate separation. It is determined that magnetic separation undivides sphalerite grains by the isomorphous iron content but is governed by the genetic features of the deposit formation—association of sphalerite with magnetic minerals (pyrrhotine and siderite) and the absence of such associations in galena. © 2019, Pleiades Publishing, Ltd.

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Издание

Журнал: Journal of Mining Science

Выпуск журнала: Vol. 55, Is. 6

Номера страниц: 995-1006

ISSN журнала: 10627391

Издатель: Pleiades Publishing

Авторы

  • Plotnikova A.A. (Siberian Fed Univ, Krasnoyarsk 660041, Russia; Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia)
  • Bragin V.I. (Siberian Fed Univ, Krasnoyarsk 660041, Russia; Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia)
  • Knyazev Yu. V. (Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kiriensky Inst Phys, Krasnoyarsk 660036, Russia)

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