Metallogenic mechanism of the Wangu gold deposit, Jiangnan …

The Jiangnan orogenic belt, located between the Cathaysia Block and the Yangtze Block, is one of the most important gold metallogenic belts in China. It has developed over 250 …

Deformation and mineralizing fluid circulation of gold-silver-bearing

The H O isotope data show that the ore-forming fluid of gold-silver-bearing quartz vein is closely related to the magmatic-metamorphic-fluid event in the Yushishan deposit (Liu …

Valence variation of arsenic in bioleaching process of arsenic-bearing

Arsenic of gold ore is very unfavorable to cyanide leaching[1 2]. Arsenic wraps gold grain in the form of arsenopyrite, which severely cuts off the cyanide from gold grain. Arsenic …

Treatment of copper-rich gold ore by cyanide leaching, ammonia

The ongoing depletion of gold and silver-containing ore deposits demands a shift towards the processing of more complex sources. Leaching of gold or silver from these …

Superimposed Gold Mineralization Events in the Tuanshanbei …

The δ 34 S values of gold-bearing pyrite and arsenopyrite in Late Triassic veins at the Zhengchong, Yanlinsi, and Xiaojiashan deposits range from –2.1 to –0.1‰, ... China, …

Mineralogy and geochemistry of gold-bearing arsenian pyrite from …

Arsenian pyrite in the Shuiyindong Carlin-type gold deposit in Guizhou, China, is the major host for gold with 300 to 4,000 ppm Au and 0.65 to 14.1 wt.% As. Electron miroprobe …

Deciphering ore-forming fluid evolution processes of the Yuerya gold

The ore type is composed of veinlet-disseminated type and gold-bearing polymetallic quartz vein type. Pyrite, constituting over 95% of the entire sulfide content, stands …

Evolution of the Ore-Bearing Fluid of Alin Sb–Au Orebodies in

The Shuixie Cu–Co polymetallic orefield, located in western Yunnan Province (southeastern margin of the Qinghai–Tibet Plateau), is renowned for its Cu–Co mineralization. …

Monitoring the evolution of sulfur isotope and metal …

The Youjiang Basin in Southwest China is the world's second largest Carlin-type gold (Au)-producing region. However, the source of reduced sulfur that accounts for Au …

The largest gold deposits have been discovered in China

In Pingjiang County, more than 40 gold-bearing veins were discovered at the Wangu deposit at a depth of more than 2 thousand meters. It is noted that a total of 300.2 tons …

Gold Processing | Equipment, Process Flow, Cases

Gold flotation. Flotation process is widely used for lode gold processing. In most cases, the flotation method has a good effect in sulfide-containing gold ore with high …

Gold : Mineral | Properties, Formation, Mining, Occurrence, Uses

Gold production refers to the process of extracting gold from its ore or deposits and refining it to obtain pure gold. Here are some key points related to gold production: Mining …

Research status of carbonaceous matter in carbonaceous gold …

Greater gold extraction occurred when the ore samples were treated by a combination of bio-treatment and bio-oxidation with Trametes versicolor, resulting in 87.00% …

Ore-forming materials and fluids and ore-controlling factors of the

The Jiaodong Peninsula is the most important gold province in China, and the Liaoshang gold deposit represents a major recent prospecting breakthrough in Jiaodong. ...

'Supergiant' gold deposit discovered in China is one of …

Scientists in China have uncovered a "supergiant" deposit of high-quality gold ore hidden near some of the country's existing gold mines. The vast reserve, which could be the largest single...

Gold and antimony metallogenic relationship of the Awanda Au …

The gold deposits of the Tian Shan commonly contain antimony, e.g., micro-nano-gold-silver clusters have been produced in arsenopyrite, pyrite and jamesonite at the Zarmitan …

China discovered the world's largest gold deposit, alarming …

Initial exploration work uncovered more than 40 gold-bearing veins across the site. These veins lie at extreme depths—many more than 6,600 feet below the surface. Early estimates placed the...

'Supergiant' Gold Deposit May Be Worth Over US$80 …

A "supergiant" deposit of high-quality gold ore containing an estimated 1,000 metric tons (1,100 US tons) of the precious metal was discovered in central China in late 2024, according to Chinese state media.

Origin of ore-forming fluids of the Haigou gold deposit in the …

The Haigou lode deposit contains 40 t of gold at an average grade of 3.5 g/t, and is one of the largest deposits in the Jiapigou gold belt located along the eastern segment of the …

Treatment of copper-rich gold ore by cyanide leaching, ammonia

The treatment of a copper sulphide-bearing gold ore by direct cyanide leaching, ammonia pretreatment and ammoniacal cyanide leaching was investigated. ... Trans. …

China claims discovery of yet another record …

But China maintains that these are "easy to mine" sites with a high gold recovery rate. Local news reports claim that the deposit site stretches over 3kmfrom east to west and more than 2.5km ...

Ore fluid pathways at the giant Lannigou Carlin-type gold deposit, …

Mineralogy and geochemistry of gold-bearing arsenian pyrite from the Shuiyindong Carlin-type gold deposit, Guizhou, China: implications for gold depositional processes …

Antimony-bearing gold ore is a common refractory gold ore.Gold is often wrapped in antimonite and other sulfide ores,due to the presence of antimony,the extraction rate of gold is often …

Predominant fracture gold in the Jiaodong gold province, China

The Jiaodong Peninsula, the largest gold province in China, hosts proven gold resources of ∼ 5,500 t. Knowledge of the accurate occurrence of gold and its formation …

Geologists Stumbled Upon the Largest Gold Mine in the World

According to Chinese state media, a team of geologists detected over 40 gold veins of roughly 330 tons of gold ore dipping 6,600 feet deep under Pingjiang County's Wangu gold …

1,000 tons of gold deposit that's largest in world …

Chinese state media reported the discovery of a gold ore deposit in central Hunan, estimated to hold over 1,000 tonnes of gold.

Gold mineralisation by pyrite recrystallisation and arsenopyrite

The Middle–Lower Yangtze River Valley Metallogenetic Belt (MLYRB), a large and economically valuable porphyry–skarn–stratabound Cu–Au ore belt in China (Mao et al., …

Genetic relationship between hydrocarbon system evolution and …

A Re Os age of 228 ± 16 Ma obtained for highly mature pyrobitumen suggests that liquid oil cracking occurred during the Late Triassic in the Laizishan and Banqi reservoirs. This …

Research Progress on Comprehensive Recovery and Utilization …

Many gold-bearing tailings are produced in the mining, dressing and smelting process of gold-bearing minerals, and they contain gold, silver and other valuable metals. This …

Gold distribution and source of the J4 gold-bearing breccia pipe …

Therefore, the Te, Bi and Pb played a significant role in gold mineralization in As-deficient ore fluids in the J4 gold-bearing breccia pipe from the Qiyugou district. ... The …

Hydrocarbon- and ore-bearing basinal fluids: a possible link …

The Youjiang basin, which flanks the southwest edge of the Yangtze craton in South China, contains many Carlin-type gold deposits and abundant paleo-oil reservoirs. The gold …

Geological characteristics and ore-forming process of the gold …

The ore-forming elements of Carlin-like gold deposits are complex, e.g., Au–Sb–Bi for the Shuangwang gold deposit (Li et al., 2000) and Au–As–Pb–Zn–Bi–Ti for the Liba gold …

Gold Discovery: China's Wangu Gold Fields Unveil €78 Billion …

In an unprecedented breakthrough destined to reshape the global gold market, geologists have uncovered one of the largest subterranean treasures in history—a colossal …

A novel non-cyanide extraction method of gold for high As-Sb-bearing

The As-and Sb-bearing intractable gold ore was collected from Zhuzhou smelting plant, Hunan, China. The Mn(IV)-oxide ore was obtained from Chaoyang, Liaoning, China. …

The Formation and Evolution of Gold Deposits in China

As one of the most significant gold ore concentrations globally, Jiaodong boasts a gold reserve exceeding 5500 t. The Xincheng gold deposit is a world-class high-grade mine, boasting a proven gold reserve exceeding 200 t, …

Mineralogical Characteristics and Refractory Properties of Arsenic

The arsenic-bearing gold ore in Anhui, China is an extremely refractory gold ore, and the cyanide leaching rate of gold concentrate is only 30%. The mineralogical factors of the low …

The gold mineral systems of the West Qinling orogen, central China…

The West Qinling orogen in central China is an important gold prospective area, containing a series of large gold deposits, e.g., Baguamiao, Yangshan, Liba, Ma'anqiao, ...