نتایج جستجو برای: magnetite ore
تعداد نتایج: 15166 فیلتر نتایج به سال:
Abstract The integration of remote sensing, spectral measurements and field verification helped in discriminating new iron occurrences hosted the metavolcanic rocks at Wadi Karim Gabal El-Hadid areas Central Eastern Desert (CED) Egypt. host were carefully recognized through different image processing techniques that applied on Landsat-8 satellite data with implementation signatures various mine...
Brownfield areas are important targets of exploration; however, the extensive drilling present in these has not fully exploited their prospective potential. The appropriate use drill hole cores can play an role deep exploration. We a case study iron oxide-copper-gold (IOCG) Furnas Southeast deposit, located Carajás Mineral Province, Brazil. This deposit disseminated chalcopyrite, bornite and go...
The Pandian deposit is a newly discovered contact metasomatic skarn magnetite found in the Cainozoic super-thick overburden on northwest margin of Luxi Uplift (LXU). Presently, horizontal scale delineated by potential field (gravity and magnetic method) has shown giant for ore deposits, mapping ore-controlling structures vertical becomes primary task metallogenic prediction. In our study, wide-...
The New Zealand sea sand ore is a kind of vanadia–titania magnetite formed by erosion in the coastal zone. Because its coarse particle size, smooth spherical particles, complex chemical composition, it has been added to sinter as an auxiliary material. Based on principle optimizing blending strengthen advantages and weaken disadvantages, this paper used raw that not undergone any pretreatment m...
The chromite deposits in the Neyriz area have lenticular and sometimes vein-like shape which are replaced in serpentinized dunite and harzburgite. Chromite and serpentinized olivines are major minerals and hematite and magnetite are minor minerals in the chromitic ores. Except chromite, other minerals have secondary origin that are related to serpentinization procceses. Whereas along with chr...
In order to study a possible magnetic proximity effect in magnetite-carbon structures, we have performed magnetization measurements of graphite-magnetite composites with different mass ratios as well as the measurement of the magnetoresistance of one of them and of the magnetization of a magnetite-carbon bilayer. The overall results do not indicate the induction of bulk ferromagnetism in graphi...
The Sangan processing plant consists of four consecutive low-intensity magnetic separation steps with the same magnetic field intensity of 1300 Gauss for upgradation of iron ore. Hence, the iron ore minerals with lower magnetic susceptibility or interlocked with gangue minerals have no opportunity for upgradation, and proceed to the tailing dam. Flotation is a powerful technique for upgradation...
We studied the mineralization and sulfur isotopic composition of sulfides gold–palladium ores in olivine clinopyroxenites from Dzelyatyshor massif made up a continuous layered series rocks: olivine-free clinopyroxenite–olivine clinopyroxenite–wehrlite. The primary igneous layering rocks, manifested as different quantitative ratios clinopyroxene them, controls local trends variability chemistry ...
In this work, we investigated the effects of surface roughness and agitation on the morphology of magnetite films electrodeposited from alkaline Fe(III)-triethanolamine (TEA) solutions on carbon steel substrates. The surface roughness of the carbon steel substrates was maintained in the range of 1.64–0.06 μm by using mechanical grinding and polishing methods. The agitation speed was set at 0 an...
The presence of isotopically light carbonates in association with fine-grained magnetite is considered to be primarily due to the reduction of Fe(III) by Fe(III)-reducing bacteria in the environment. Here, we report on magnetite formation by biooxidation of Fe(II) coupled to denitrification. This metabolism offers an alternative environmental source of biogenic magnetite.
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