2006
DOI: 10.1007/s11434-006-2113-1
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Discovery of the superlarge gallium ore deposit in Jungar, Inner Mongolia, North China

Abstract: Mineralogy and geochemistry of No.6 Coal from the Heidaigou Mine of the Jungar Coalfield of North China were studied using instrumental neutron activation analysis, inductively coupled-plasma mass spectroscopy, X-ray fluorescence spectrometry, and scanning electron microscope equipped with an energy-dispersive X-ray spectrometer. The results show that gallium concentration is as high as 44.8 μg·g −1 in the whole coal-channel sample, and varies from 30.1 μg·g −1 to 76.0 μg·g −1 (mean 51.9 μg·g −1 ) in the mai… Show more

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Cited by 84 publications
(85 citation statements)
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“…It can be seen that rare earth elements are mainly distribute in silicate state, followed by organic matter, and the REE content in water soluble and exchangeable state are very low. The results are in accordance with many reported data, showing that detrital material play a very important role in the modes of occurrence of rare earth elements in coal [12,16,18,27]. …”
Section: Modes Of Occurrence Of Rare Earth Elements In Chongqing Csupporting
confidence: 93%
See 1 more Smart Citation
“…It can be seen that rare earth elements are mainly distribute in silicate state, followed by organic matter, and the REE content in water soluble and exchangeable state are very low. The results are in accordance with many reported data, showing that detrital material play a very important role in the modes of occurrence of rare earth elements in coal [12,16,18,27]. …”
Section: Modes Of Occurrence Of Rare Earth Elements In Chongqing Csupporting
confidence: 93%
“…Compared with REE concentration in the common coals from China as reported by Dai et al [13], the REE concentration in Chongqing coals is a little higher, and it is much higher than that in US coals and the world ordinary coals, and similar to that in shales from north America, as reported by Finkelman [12], Valkovic [11], and Wang [15]. The concentration of the light rare earth elements is higher than the heavy ones, which is in accordance with the general distribution of rare earth elements in coals [16][17][18]. The relative higher concentration of light rare earth elements is probably attributed to the higher LREE concentration in the crust and the strong ability of soluble complex formation of HREE [17][18][19][20][21][22].…”
Section: Geological Setting and Study Methodssupporting
confidence: 77%
“…World resources are estimated to be 2 million tonnes in bauxite deposits and 6500 tons in zinc deposits [38]. Recent works have also identified certain coals as potentially massive sources [39], although only a small part of the gallium can be recovered in practice [15].…”
Section: Occurrence Of Rare Elementsmentioning
confidence: 99%
“…In recent years, the coal associated Al, Ga and Li ore deposits have been found in China (Dai et al, 2006a;Zhao and Sun, 2008;Zhao et al, 2009;Sun et al, 2010a). In order to know the enrichment mechanisms of the ore deposits, the petrographic characteristics and depositional environment of coals should be studied.…”
Section: Introductionmentioning
confidence: 99%