The Shilu Fe-ore deposit, a large-scale hematite-rich ore deposit in Hainan Province, South China, contains proven reserves of over 460 Mt Fe-ore at 51% FeO, 4.07 Mt Co-ore at 0.29% and 6.65 Mt Cu-ore at 1.18%.The deposit is largely hosted within the Meso- to Neoproterozoic (ca. 0.85–1.30 Ga) Shilu Group, a suite of metamorphosed …
عرض المزيدBIFs (banded iron formations) in China, which account for approximately 64% of the total identified resources in the country, belong to two categories: a predominant Neoarchean …
عرض المزيدAs the earliest discovered and widely used metal, the global consumption of iron is estimated to account for nearly 95% of the total metal consumption (Zhu et al., 1999).Unlike other countries, the major archives of iron in China are metamorphosed Precambrian banded iron formation (BIFs), particularly those which occur in association …
عرض المزيدAs part of the Archean greenstone belt, the Qian'an iron deposit is a typical banded iron formation (BIF)-hosted iron deposit in the North China Craton. The BIF iron orebodies, together with Archean host rocks, have experienced multiphase metamorphism and plastic deformation. Folds, especially large-scale synclines, played the most …
عرض المزيدThe majority of the BIF iron deposits in China are Algoma type and have undergone significant and complex post-formation metamorphism and deformation (Zhai and Windley, 1990, ... Geological Publishing House, Beijing (1994), pp. 119-129. View in Scopus Google Scholar. Shen et al., 2006.
عرض المزيدThe Huoqiu banded iron formation(BIF) iron deposits in the southeastern margin of the North China Craton (NCC) is hosted by middle-grade metamorphic Huoqiu complex.
عرض المزيدBanded iron formation (BIF) deposits are the most important source of iron in China, and they are dominantly distributed in the North China Craton (NCC). ... Discovery of a hidden BIF deposit in Anhui province, China by integrated geological and geophysical investigations. Ore Geology Reviews, Volume 63, 2014, pp. 470-477.
عرض المزيدInsights into characterization and genesis of the Tieshanmiao banded iron formation deposit, China: Evidence from zircon U–Pb dating and geochemistry ... (Fig. 1). Most of BIF–hosted Fe deposits in China belong to the Algoma–type, a few belong to the Superior–type (Li et al., 2014a). Five episodes of BIFs' formation in the NCC have ...
عرض المزيدWith a total iron ore resource of less than 10 Mt., the Tiande No.2 iron deposit located ~45 km southeast of Qinghe town (46°36′N, 90°42′E) (Fig. 1).The BIF has a NW-strike at an angle of 315°, and persists for ~1500 m with a width of ~7 m (Fig. 2 a).The BIF is stratiform and stratiform-like, and is hosted in biotite-quartz schist and biotite …
عرض المزيدThe Gongg iron deposit in North China hosts abundant high-grade (>50 wt% total Fe) magnetite ores and represents one of the largest BIF-hosted magnetite deposits worldwide. These high-grade magnetite ores are generally accepted to be formed by replacement of banded iron formation (BIF) (∼30 wt% total Fe), but the mechanism of …
عرض المزيدThe Atmosphere and Hydrosphere. Kent C. Condie, in Earth as an Evolving Planetary System (Third Edition), 2016 Banded Iron Formation. Banded iron formation or BIF is a chemical sediment, typically thin-bedded or laminated with > 15% iron of sedimentary origin (Figure 8.6).BIF has a very distinct distribution with time (Figure 8.25).It is found in minor …
عرض المزيدThese ores provide insight into iron metallogenesis and early evolution of the North China craton. In this paper, we present Sm-Nd-Fe-O isotope, mineralogical, and structural data for four BIF-type iron deposits to place constraints on their depositional ages and formation mechanism.
عرض المزيدIn China, most Precambrian banded iron formations (BIFs) are situated in the North China Craton. The Yuanjiacun iron deposit, located in the Lüliang area, is arguably the most representative Superior-type BIF. This iron deposit is coherent with the sedimentary rock succession of the Yuanjiacun Formation in the lower Lüliang Group, …
عرض المزيدA BIF is hard and heavy sedimentary stone. The bands are composed of narrowly banded sedimentary rocks which alternate a variety of iron rich layers with fine grained quartz (chert) layers. Banded iron formations are critical to our current economy as they are by far the biggest source of economic iron deposits.
عرض المزيدThe predominant types of high-grade iron deposits in China include skarn, sedimentary metamorphic (banded iron-formation, BIF-type), continental/submarine …
عرض المزيدAbstract and Figures. The predominant types of high-grade iron deposits in China include skarn, sedimentary metamorphic (banded iron-formation, BIF-type), …
عرض المزيدThe predominant types of high-grade iron deposits in China include skarn, sedimentary metamorphic (banded iron-formation, BIF-type), continental/submarine volcanic-hosted and magmatic Fe-Ti-V oxide deposits. Based on a comprehensive review of current studies on these deposits, this paper suggests that the oxygen concentration …
عرض المزيدThe ores are mainly hematite, with TFe content more than 50%. In China, the BIF-related iron deposits are the most important type of iron deposits, accounting for …
عرض المزيدBIF iron deposits including the Macheng deposit (b) (modified from Zhang et al., 2011). 1180 H. Wu et al./Journal of Asian Earth Sciences 113 (2015) 1179–1196 Hebei iron metallogenic belt.
عرض المزيدOn the basis of ore-forming age, host formations, mineral assemblages, and grade of the ores, the BIF-related iron deposits in China are classified into seven types. (1) Anshan-type: Neoarchean ...
عرض المزيدThe formation of sediment-hosted Cu Co deposits remains controversial, in part due to the lack of a precise age for Cu Co mineralization. The Dahenglu deposit is located in the eastern part of the Jiao–Liao–Ji Belt (JLJB), one of the famous sedimentary–metamorphic-type Cu Co deposits in China, that is mainly hosted within …
عرض المزيدThe Gongchang iron deposit, a typical Algoma-type banded iron formation (BIF) deposit located in the Eastern Block of the North China Craton (NCC), is hosted in Neoarchean metamorphic rocks, including amphibolite, biotite leptynite, garnet biotite schist, plagioclase-hornblende schist, garnet chlorite schist, muscovite quartz schist and …
عرض المزيدTypes and general characteristics of the BIF-related iron deposits in China[J]. Ore Geology Reviews, 57(3):264-287. Google Scholar. Li Houmin, Wang …
عرض المزيدIt is shown that regular patterns can be established for the distribution of BIF-iron deposits in the North China Craton (NCC). Large scale BIF-iron deposits mainly …
عرض المزيدBIF-hosted iron ore deposits can be divided into three classes on the basis of their iron content: (1) iron-rich primary BIFs containing 30–45 wt.% Fe, (2) ... The main iron ore reserves of China, however, possess relatively low-grade Fe content (~30% Fe); therefore, high export rates of high-grade iron ore are expected from China's largest ...
عرض المزيدThe metamorphosed sedimentary type of iron deposits (BIF) is the most important type of iron deposits in the world, and super-large iron ore clusters of this …
عرض المزيدAs part of the Archean greenstone belt, the Qian'an iron deposit is a typical banded iron formation (BIF)-hosted iron deposit in the North China Craton. The BIF iron orebodies, together with Archean host rocks, have experienced multiphase metamorphism and plastic deformation. Folds, especially large-scale synclines, played the most important ...
عرض المزيدThe BIF deposits in China were mainly formed in the Neoarchean with subordinate deposits during the Paleo, Meso and Neoproterozoic time ( Li et al., 2014; Dai et al., 2016 ).
عرض المزيدThe Nanfen iron deposit, situated in the Anshan-Benxi area of the North China Craton (NCC), hosts scattered banded iron formations (BIFs) and BIF-hosted high-grade iron orebodies (defined by FeO T > 80 wt.%). The associated roof and bottom rocks, which occur in parallel to orebodies, are mica quartz schist and chlorite hornblende …
عرض المزيدThe metamorphosed sedimentary type of iron deposits (BIF) is the most important type of iron deposits in the world, and super-large iron ore clusters of this type include the Quadrilatero Ferrifero district and Carajas in Brazil, Hamersley in Australia, Kursk in Russia, Central Province of India and Anshan-Benxi in China. Subordinated …
عرض المزيدTypes and general characteristics of the BIF-related iron deposits in China[J]. Ore Geology Reviews, 57(3):264-287. Google Scholar. Li Houmin, Wang Denghong, Li Lixing. 2012. Metallogeny ofiron deposits and resource potential of major iron minerogenetic units in China[J]. ... Iron Deposits of China[M]. Beijing:Metallurgical …
عرض المزيدThe Huoqiu iron deposit is one large iron ore field, which is located in the southeastern margin of the NCC, and one of the few Superior-type BIF mines in China (Yang et al., 2014; Liu and Yang, 2015).After decades of efforts in mineral exploration, more than ten large iron deposits have been identified, such as Zhouji, Zhangzhuang, …
عرض المزيدThe predominant types of high-grade iron deposits in China include skarn, sedimentary metamorphic (banded iron-formation, BIF-type), continental/submarine volcanic-hosted and magmatic Fe-Ti-V ...
عرض المزيدThe Paleoproterozoic (~2.38–2.21 Ga) Yuanjiacun banded iron formation (BIF), located in Shanxi Province, is a Superior-type BIF in the North China craton. This BIF is within a metasedimentary rock succession of the Yuanjiacun Formation, in the lower Lüliang Group, which has undergone lower greenschist-facies metamorphism.
عرض المزيدTypes and general characteristics of the BIF–related iron deposits in China. Ore Geol. Rev. (2014) S.Z. Li et al. ... Zircon growth and ages of migmatites in the Algoma-type BIF-hosted iron deposits in Qianxi Group from eastern Hebei Province, China: Timing of BIF deposition and anatexis. Journal of Asian Earth Sciences, Volume 113, Part 3 ...
عرض المزيدThe proven reserve of the entire BIF deposits is 1.7 billion tons. All the Huoqiu iron deposits are located at a depth of about 650 m and are overlain by thick Quaternary sediments (Du and Yang, 1994, Wan et al., 2010). Previous geological reports indicate that the BIF metallogenic area in Huoqiu County was first discovered with the …
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