Relationships Between Gold and Pyrite at the Xincheng …

2017-5-9 · est gold endowment, including more than 90% of the proven gold reserves (~3,600 t Au; Yang et al., 2014a) and the majority of world-class gold deposits in the Jiaodong gold province (Fig. 1). It is dominated by Precambrian metamorphic basement and supracrustal rocks cut by Mesozoic intrusions. The formation of ca. 2.9 to 2.5 Ga tonalite ...

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Ore-Forming Fluid Characteristics of the Dayingezhuang …

The Jiaodong gold province, located in the Jiaodong Peninsula of eastern China, is the largest gold mining and production area in China. The peninsula accounts for 0.3% of China in the area, but possesses more than 30% of the total national gold reserves and currently provides over one-fourth of China''s total gold produc-

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THE JIAODONG GOLD DEPOSITS AND SOME …

4 nudation depth of the Jiaodong gold deposits: The Guojialing granodiorite stock is distributed scatteredly in the Ling-long granite. The exploration information obtained from the Hexi gold mine shows that the Linglong granite is near the surface and all the Guojialing granodiorite is located several dozen meters below the surface.

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The ''Jiaodong type'' gold deposits: Characteristics, origin …

2015-3-1 · The Jiaodong Peninsula in the eastern part of the North China Craton (NCC) constitutes China''s richest gold province (), and one of the major gold fields in Asia (Goldfarb et al., 2014).The Early Cretaceous (ca. 125–120 Ma; Goldfarb and Santosh, 2013, Yang and Santosh, 2014) gold deposits in this region have been broadly classified into two types: (1) the …

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Chapter 35: Gold Deposits of the Jiaodong Peninsula, …

2020-1-1 · The Jiaodong gold province, within the eastern margin of the North China block and the translated northeastern edge of the South China block, has a stated premining gold resource exceeding 4,500 metric tons (t). It is thus one of the world''s largest gold provinces, with a present cumulative annual production estimated at 60 t Au.

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(PDF) Mesozoic gold metallogenic system of the …

2014-9-1 · Abstract and Figures. Jiaodong Peninsula is the most important gold concentration area of China, more than 150 gold deposits within it have been found and the proven gold reserves add up to 4000 ...

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Geology and geochronology of the Shijia gold deposit, …

2020-5-1 · The strata exposed near the Shijia gold deposit include the Neoarchaean Jiaodong Group, the Paleoproterozoic Fenzishan Group, the Neoproterozoic Penglai Group, and the Mesozoic Lower Cretaceous Laiyang and Qingshan Groups ().The Jiaodong Group formed at 2.9 to 2.7 Ga (Jahn et al., 2008) is a medium- to high-grade metamorphic sequence composed …

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Micro-Geochemistry of Pyrite and Gold Mineral in …

2021-3-11 · The Jiaodong gold province is one of the largest gold-producing areas in China. There are 159 gold mines in the Jiaodong Peninsula producing a combined 30 tons of Au per year (Yang et al. 2016a; Yang and Santosh 2019).There are two main types of gold deposits, Linglong and Jiaojia, in the Jiaodong Peninsula.

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The world''s top 10 gold mines

In 2014, gold output increased here by 11%, from 0.6 to 0.7 million ounces. Veladero mine. Source: Irancagroup . 10. Boddington. With 0.7 million ounces of gold produced in 2014, Newmont''s ...

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Why the Temperature Parameters of Mineralization are …

from Linglong gold field (Wen et al., 2015). Why the characteristic of ore-forming fluids in Jiaodong is similar? Hu et al. (2013) and Wen et al. (2016) supposed that the ore-forming fluids in Sanshandao gold deposit were similar within the fault and the gold quickly mineralized in a very short time span.

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Forming conditions of tellurides and their constraints on …

2022-1-5 · The gold minerals in Linglong mining area are mainly silver-bearing native gold, and the gold fineness is high with an average of 894. Five kinds of tellurides co-occurring with native gold have been found, namely, tetradymite, tellurobismuthite, hessite, volynskite and melonite, among which the tetradymite is the most abundant.

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Ore-Fluid Evolution of the Sizhuang Orogenic …

2019-3-21 · The Sizhuang gold deposit with a proven gold resource of >120 t, located in northwest Jiaodong Peninsula in China, lies in the southern part of the Jiaojia gold belt. Gold mineralization can be divided into altered rock type, …

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Hydrothermal alteration in the Dayingezhuang gold …

Jiaodong is the most important gold ore-concentrated region of China.And the fracture zone altered-type gold deposit which named"Jiaojia-type"gold deposit,is the most important gold deposit type of the region,which takes up over 90%the proven amount of gold.Dayingezhuang gold deposit which located in the middle of the Zhaoping gold belt,is a typical fracture zone …

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The dilemma of the Jiaodong gold deposits: Are they …

The ca. 126-120 Ma Au deposits of the Jiaodong Peninsula, eastern China, define the country''s largest gold province with an overall endowment estimated as 3000 t Au. The vein and disseminated ores are hosted by NE- to NNE-trending brittle normal faults that parallel the margins of ca. 165-150 Ma, deeply emplaced, lower crustal melt granites.

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2019-7-20 · ,。., ...

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Comparative Study on Ore-forming and Ore-controlling ...

2014-12-26 · Gold Science and Technology ›› 2015, Vol. 23 ›› Issue (5): 14-19. doi: 10.11872/j.issn.1005-2518.2015.05.014 Previous Articles Next Articles Comparative Study on Ore-forming and Ore-controlling Structures at Ling-long Gold Mine and Jiaojia Gold Mine in

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Researching | Micro Raman Spectral Characteristics and …

The Jiaojia gold deposit is located in Jiaodong area, the most important gold resources in China currently. Jiaojia gold mine is a typical altered rock type deposit, with the prominent alteration zonation and structural ore-control characteristics. The wall rock is the Linglong granite and pyrite is the main ore minerals.

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Gold Deposits of the Jiaodong Peninsula, Eastern China

2020-9-30 · In eastern Jiaodong, the much smaller resource may have formed about 5 m.y. later, recorded by 114.2 ± 1.5 Ma gold mineralization at the Rushan deposit. The postsubduction opening of a slab gap ...

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Origin of Gold Metallogeny and Sources of Ore-Forming …

2010-7-16 · In this paper we use published isotopic ages for gold deposits and related rocks in the Jiaodong Peninsula (East Shandong Province) ... In the Jiaodong gold province (JGP), the mineralizing events are coeval with or postdate Mesozoic granitoid intrusions. Both the Rb-Sr isochron ages and zircon SHRIMP age dating results suggest that Mesozoic ...

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2019-2-15 · : 2。,, 。, 212001000 ...

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,2:(1)23~26 ...

2017-7-3 · ,2:(1)23~2662—51;(2)27~3064,。

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The Jiaodong gold district, northeastern China, in the …

2019-4-10 · as the Kyzyl Kum region and the Muruntau gold district of Uzbekistan. The relations are further complicated by the interpretation of the above gold-dominated deposits as ''intrusion-related'' (De Boorder, 2012) instead of ''orogenic'' (e.g., Bierlein and Crowe, 2000; Bouchot et al., 2005) in the sense of Groves et al. (1998, 2009) .

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Metallogenic characteristics and tectonic setting of the Jiaodong gold ...

The dilemma of the Jiaodong gold deposits: Are they unique

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The giant Jiaodong gold province: The key to a unified …

2016-5-1 · The Jiaodong gold province in northeastern China is the country''s premier gold resource and globally one of the most important gold provinces. The late Early Cretaceous gold metallogeny in this belt …

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Gold Deposits of the Jiaodong Peninsula, Eastern China

2021-1-29 · The Jiaodong gold province in Shandong Province, eastern China (Fig. 1), is a world-class gold district that has been mined for over 750 years and has an estimated pre-mining resource of more than ...

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Mesozoic gold metallogenic system of the Jiaodong gold …

Jiaodong Peninsula is the most important gold concentration area of China,more than 150 gold deposits within it have been found and the proven gold reserves add up to 4000 tons. The amount of gold deposits and gold resource are huge,gold occurrence and mineralization type vary with the widely distributed gold deposits,however,the metallogenic geodynamics background,ore-host …

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Metallogenic characteristics and tectonic setting of the …

2021-12-15 · The total proven gold reserves in the Jiaodong gold deposit area are more than 5000 t, and the weighted average grade of ore is 4.07 g/t. (2) The Jiaodong gold deposit is mainly controlled by large regional and secondary faults, and there is a good corresponding relationship among alteration, mineralization, and structural zoning.

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The ''Jiaodong type'' gold deposits: Characteristics, origin …

2015-3-1 · The Jiaodong type comprises a unique class of gold mineralisation which includes the Linglong type quartz-vein hosted and the Jiaojia type fracture-disseminated style deposits. Although the type area is in the Jiaodong Peninsula in NE China, where some of the world''s richest gold reserves occur, we identify similar occurrences in other parts of China and …

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Want A Gold Mine? A Legendary One Is For Sale …

2020-11-24 · Encompassing almost 162 patented acres, it is offered for $5,285,000. The entire parcel, which includes both sections, is offered for $8,675,309. In most lives and places, a gold mine is a ...

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(PDF) The dilemma of the Jiaodong gold …

2013-1-1 · The ca. 126–120 Ma Au deposits of the Jiaodong Peninsula, eastern China, define the country''s largest gold province with an overall endowment estimated as >3000 t Au. The vein and disseminated ...

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The giant Jiaodong gold province: The key to a …

2015-9-14 · The Jiaodong Gold Province (JGP) is the most important gold producer in China and owns proven gold reserves of ~ 4,000 t (Yang et al., 2016a). Gold deposits in the JGP are mostly regarded as ...

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Petrology, Geochemistry, and Sr-Nd-S Isotopic …

2021-3-4 · The Jiaodong Peninsula is one of the most important Au ore provinces in China. There is an ongoing debate on the correlation between ore formation and magmatism in this province, because few intrusive rocks exhibit a clear association with ore deposits. A mineralized biotite monzodiorite (BM) stock, with disseminated ore, pervasive phyllic alteration, and no …

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2019-8-22 · ,,。,Au,,Au ...

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Top 10 biggest gold mines in the United States

2021-4-5 · Cortez gold mine is a large gold mining and processing facility in Lander and Eureka County, Nevada, United States, located approximately 75 miles (120 km) southwest of Elko and comprises the Pipeline and South Pipeline deposits and the Cortez Hills deposit. Pipeline and South Pipeline are open pit mines, while Cortez Hills is an underground ...

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