Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Конференция: SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING; Albena; Albena
Год издания: 2015
Идентификатор DOI: 10.5593/SGEM2015/B11/S1.034
Ключевые слова: ores of the Norilsk type, x-ray, scanning electron microscopy, mössbauer spectroscopy
Аннотация: Using the magnetic methods, X-ray and Mössbauer spectroscopy, scanning electron microscopy, there were studied the samples of Norilsk type ores in order to identify compounds containing Cu, Ni, Co. The samples have a complex and diverse composition of a wide range of values having the remanent magnetization and its resistance to vaПоказать полностьюrious demagnetizing factors. The presence of steps and peaks on thermomagnetic curves indicates the presence of a mechanical mixture of two or more ferrimagnetic phases. It is confirmed by the discrepancy of the Curie temperature in the “heating-cooling” cycle. The research showed that iron and sulfur are spread irregularly over the scanned area. There are areas, strongly enriched by Cu. The presence of the native elements and the characteristic structures of the solid solutions decomposition testify to the reducing mode of ore formation processes in a wide temperature range. The presence of characteristic structures of solid solutions “pyrrhotite-pentlantide”, “pyrrhotite-chalcopyrite” indicates the nature of high-temperature crystallization of sulfide ore in a wide range of temperatures.
Журнал: 15th INTERNATIONAL MULTIDISCIPLINARY SCIENTIFIC GEOCONFERENCE SGEM 2015
Выпуск журнала: 1. 1
Номера страниц: 269-274
Место издания: Sofia
Издатель: Общество с ограниченной ответственностью СТЕФ92 Технолоджи