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11.372  Articles
1 of 1.138 pages  |  10  records  |  more records»
The Inhulets'ke deposit of low-grade magnetite ores (magnetite quartzites) is characterized by a complex structure of productive series, which includes five ferruginous (from the second to the sixth) and four schistose (from the third to the sixth) horizo... see more

In the Northern iron-ore district of the Kryvbas basin, mining of deposits of poor magnetic ores is underway in two quarries – Pervomaiskyi and Hannivsky. Oftentimes, their mine contours contain low-valuable or unusable magnetite-silicaceous quarzites of ... see more

There are three main types of industrial iron ores in Kryvyi Rih basin: rich ore that are directly used in metallurgy, magnetite ore and oxidized ferruginous quartzites that need enrichment. Deposits of rich ore are depleted. Nowadays, ferruginous quartzi... see more

In this article, we want to draw attention to the hysteron-magmatic origin of titanium-magnetite ores of the Tibinbulak gabbro-peridotite complex located in the northwestern part of the Sultan-Uvais ridge. Which is the only outlet of the Phanerozoic found... see more

The geological position of the riebeckite metasomatites at the Pervomayskoye, Annovskoye, Gleyevatskoye, Valyavkinskoye, Inguletskoye, Petrovskoye and Artemovskoye deposits of the Krivbas is controlled by faults serving as channels for metasomatizing solu... see more

The deposits of high-grade ores of the Kryvyi Rih basin are developed by seven mines and two open pits. Insufficient quality of extracted ore mass requires its beneficiation at the crushing and screening plants operating at each mine. Utilizing three-stag... see more

At the Cheever Mine, located in the eastern Adirondack Mountains of the Mesoproterozoic Grenville Province, iron oxide-apatite ore forms a narrow (<3 m) sheet cross-cutting metasomatically altered, magnetite-bearing, albite-rich leucogranitic host rock... see more

The article presents the generalized results of chemical composition research of waters from Inhulets and Saksahan rivers on the territory adjacent to the Northern and Inhulets with pumping of underground waters (mine and quarry), which have an abnormal c... see more

Aiming at the problems that the existing single time series models are not accurate and robust enough when it comes to forecasting the iron ore prices and the parameters of the traditional LSSVM model are difficult to determine, we propose a combined mode... see more

1 of 1.138 pages  |  10  records  |  more records»