Genesis of tungsten mineralization in the Yangla …
The mineralization of tungsten in the Yangla deposit is mainly related to the hydrothermal decolorization (a form of wall rock bleaching) of marble (wall rock) via processes such as …
Flotation Responce of the Refractory Yangla Copper …
It is found and confirmed by mineralogical examination that AM28 successfully recovered all the discrete copper oxide minerals from the Yangla ore. The flotation tests …
Fluid inclusion and isotope geochemistry of the Yangla copper …
The Yangla copper deposit, with Cu reserves of 1.2 Mt, is located between a series of thrust faults in the Jinshajiang–Lancangjiang–Nujiang region, Yunnan, China, and has been mined since 2007. Fluid inclusion trapping conditions ranged from 1.32 to 2.10 kbar at 373–409 °C. Laser Raman spectroscopy confirms that the vapour phase in these …
Agglomeration and leaching behaviors of copper oxides …
Yangla Copper Mine from a shallow stratum of earth with a high clay content caused by intense weathering. In the sample, the mass fraction of copper was 1.473% (44.98% free copper oxides, 18.85% combined copper oxides) and the other metal mineral was iron (11.28wt%). The gangues con- sisted of SiO2 (33.75wt%) and CaO (10.68wt%). As …
Genesis of tungsten mineralization in the Yangla copper …
The Yangla copper deposit which is located in the middle of Jinshajiang tectonic belt, is the most typical copper deposit in the northwest of Yunnan province. ... The sulfides from the oxide and ...
(PDF) Agglomeration and leaching behaviors of copper oxides …
YanglaCopper Minefrom a shallowstratum ofearth with a high clay content caused by intense weathering. In the sample, the mass fraction of copper was 1.473% (44.98%
Geochemistry of the Yangla volcanic rocks and its …
The Yangla Copper Ore Field in Northwest Yunnan Province, China, is a large region of deposits dominated by copper-bearing skarns whose origin remains debatable despite numerous studies over the ...
Goaf and Slope Stability: A Case Study on the Yangla Copper …
Yangla copper mine as they ar e detrimental to slope stability. Mo reover, many goafs collapse. during the second and third phases of underground mining, which is a lso detrimental to slope ...
Flotation Responce of the Refractory Yangla Copper Oxide …
Key takeaway: 'Hydroxamate AM28 effectively recovers copper oxide minerals from refractory Yangla copper ores, with potential for further cleaning flotation to increase concentrate grade.'
Flotation Responce of the Refractory Yangla …
To establish the flotation response and suitability of the collectors, series of bench-scale flotation tests are conducted for the refractory oxide copper ores obtained from Yangla Mine in Yunnan province. A simple xanthate …
Genesis of tungsten mineralization in the Yangla copper …
DOI: 10.1016/j.gr.2023.12.008 Corpus ID: 266503246; Genesis of tungsten mineralization in the Yangla copper-polymetallic deposit, northwest Yunnan, China: Evidence from in situ U-Pb dating, trace elements, Sr isotopes, fluid inclusions, and H-O isotopes of scheelite
Copper recycle from sulfide tailings using combined leaching …
The phylogenetic tree of a novel strain of alkaline bacteria isolated from tailings ponds at the Yangla Copper Mine in China was constructed from 16s rDNA sequence, and its optimal cultivation conditions and leaching characteristics were determined. ... An investigation into the leaching behaviour of copper oxide minerals in …
A Review of the Flotation of Copper Minerals | International …
S. Bulatovic, "Flotation of Oxide Copper and Copper Cobalt Ores," in Handbook of Flotation Reagents: Chemistry, Theory and Practice Volume 2, Elsevier Science and Technology Books, 2010, pp. 47-65. ... Z. Zhang and Y. Lan, "Flotation response of the refractory Yangla copper oxide ores with hydroxamate collectors," …
Response Surface Method Optimization to Improve …
Yao [ 8] once utilized acid leaching to treat Yangla copper oxide ore which contains a lot of clay minerals at the temperature of 60 °C. Copper leaching rate of 70% …
Leaching Characteristics and Mechanism of Copper …
The Yangla copper mine is located in Deqin County in the Yunnan Province of China. It is a large copper deposit in the regions of the Jinsha River, Lan cang River and Nu River [11, 12]. In this mine, the properties of copper ore vary widely and copper min erals are finely sized. Copper oxide ore also has a high
Adelaide Research & Scholarship: Enhancement of copper …
A series of technological improvements, which included of antiscalant addition, ore washing, classified crushing and screening, thin-layer conveying and dumping, and mechanical/chemical activation, were applied in YCM to enhance heap permeability and copper extraction from low-grade copper oxides. These improvements increased …
Influence Factors of Permeability during Heap Leaching of …
In order to explore the influence factors of permeability during heap leaching of Yangla copper ore in China, falling head permeability test was applied to draw a comparison between the permeability of various samples, and then permeability evolutionary law of the sample ore from leaching heap was analyzed under different ore size or compaction …
Geochemistry and S, Pb isotope of the Yangla copper …
The Yangla copper deposit is located in the Yangla area of the Henduan Mountains in Deqin County, Yunnan Province, southern Tibet. ... Constraining models of the tectonic setting of the giant Olympic Dam iron oxide–copper–gold deposit, South Australia, using deep seismic reflection data. Tectonophysics, 420 (2006), pp. 91-103. View PDF …
Genesis of tungsten mineralization in the Yangla copper …
Article on Genesis of tungsten mineralization in the Yangla copper-polymetallic deposit, northwest Yunnan, China: Evidence from in situ U-Pb dating, trace elements, Sr isotopes, fluid inclusions, and H-O isotopes of scheelite, published in Gondwana Research 129 on by Bo Li+5. Read the article Genesis of …
Expanded Experiment on Column Leaching of …
The expanded experiment was carried out for the column leaching of oxide ores from Yangla Copper Mine in Yunnan Province by using sulfuric acid as leaching agent.The …
Experimental studies and pilot plant tests for acid leaching …
DOI: 10.1016/J.HYDROMET.2016.04.009 Corpus ID: 101146713; Experimental studies and pilot plant tests for acid leaching of low-grade copper oxide ores at the Tuwu Copper Mine @article{Liu2016ExperimentalSA, title={Experimental studies and pilot plant tests for acid leaching of low-grade copper oxide ores at the Tuwu Copper Mine}, author={Mei-lin Liu …
Response Surface Method Optimization to Improve Copper …
Thermal treatment is an effective method when processing most of refractory copper oxide ore. Yao once utilized acid leaching to treat Yangla copper oxide ore which contains a lot of clay minerals at the temperature of 60 °C. Copper leaching rate of 70% could be achieved, which was 24 percentage points higher than that at room temperature.
Adelaide Research & Scholarship: Enhancement of copper …
Even though some of the relevant mechanisms for enhanced recovery are still being studied, this successful industrial case provides a good reference for copper oxide …
Geochemical and mineralogical characterization of tailings …
The Dexing copper mine is the largest open pit copper mines in Asia, with mining and beneficiation history stretching back more than half a century; consequently it has large amounts of ore tailings.
Chalcocite (bio)hydrometallurgy—current state, mechanism, …
For acid leaching of the high-clay copper oxide ores from Yangla Copper Mine in China, a number of technological improvements, including antiscalant addition, ore washing, classified crushing and screening, thin-layer conveying and dumping, and mechanical/chemical activation, have been applied to improve heap permeability and …
Acid curing and agglomeration for heap leaching
Introduction. Acid curing and agglomeration are generally used prior to heap leaching of copper oxide and secondary sulfide ores to improve the copper extraction process. Agglomeration is used to bind fine particles to coarse ones to increases the permeability of an ore heap while acid curing inhibits the dissolution of some silicates …
(PDF) Increasing copper recovery at cleaning stage
To establish the flotation response and suitability of the collectors, series of bench-scale flotation tests are conducted for the refractory oxide copper ores obtained from Yangla Mine in Yunnan ...
Kansanshi Copper Mine
Kansanshi Copper Mine. The Kansanshi mine in Zambia is the eight largest copper mine in the world, with two open pits. The property is located nearly 10km north of the Solwezi town and 180km northwest of the Copperbelt town of Chingola. ... The $32m Phase 1 involved capacity enhancement of the oxide circuit by 20% to 7.2 million …
Recovery of Iron from Tailings of Yangla Copper Ore by …
Against the dwindling status of mineral resources at present, effective recycling of tailings resources is an effective way to alleviate the shortage of resources, and to improve enterprise efficiency. This study was aimed to recover iron from tailings of Yangla copper ore, Fe content of which was 15.31%, and the content of strong magnetic iron mineral …
Zircon U–Pb Ages and Geochemistry of Granite Porphyries in the Yangla
The SiO 2 –oxide scatter diagram does not show obvious linear correlation between the SiO 2 and other oxides of the GPs (Figure 11), ... X. Y. Meng, The Petrogenesis of the Skarn and the Magmatic Origin in the Yangla Copper Deposit Area along Jinshajiang Belt, China University of Geosciences, Beijing, China, ...
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