Tailings Management Sustainability | Harmony
As a responsible miner, we believe that mining is one of the biggest contributors to circular economies. Harmony has the largest gold tailings reclamation programme in the gold sector globally, presenting opportunities to extract gold more safely, more economically and more responsibly from our tailings dams.
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Evaluation of Arsenic Leaching Potential in Gold Mine …
originate. The processing of gold-bearing sulfide ores associated with As-containing gangue minerals can result in high As con-centrations in gold mine tailings (Morin and Calas, 2006; Wang and Mulligan, 2006; DeSisto et al., 2017). Typical encoun-tered minerals in tailings are arsenopyrite (FeAsS), scorodite, (FeAsO 4 ×2H 2
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Arbuscular mycorrhizal fungi and Rhizobium enhance the …
Setyaningsih L, Dikdayatama FA, Wulandari AS. 2020. Arbuscular mycorrhizal fungi and Rhizobium enhance the growth of Samanea saman (trembesi) planted on gold-mine tailings in Pongkor, West Java ...
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Environmental Tailings Corporation
Scadding Gold Mine Reclamation Project Scadding Gold Mine, Wanapitei Lake Area, 30 km northeast of Sudbury, Ontario ... The Scadding Tailings Reclamation Project site is located in Scadding Township, City of Greater Sudbury. The Scadding and Orostar gold mines were in operation in the early 1980's. Total production from four small orebodies ...
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Reclamation of Mine Tailings
Reclamation of Mine Tailings 315 toxicity is the most important growth limiting factor for plants in many acid soils and mine spoils (Foy, 1974, 1983).
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The impacts and conflicts associated with defunct gold tailings …
Gold mining generates large quantities of tailings waste. These tailings can have a significant negative impact on the surrounding environment, with concomitant effects on local ecosystems, as well as on human health and quality of livelihoods. The latter is a concern in the Witwatersrand goldfields of South Africa, where communities are located in close proximity to gold mining …
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Reclaiming abandoned mine tailings ponds for agricultural …
Our site visit findings showed that the Qibaoshan Fe–S Mine has initiated the process of reclaiming the tailings pond (its No. 1 Tailings Pond) and the adjacent abandoned …
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Mine tailings reclamation in Australia
MINE TAILINGS RECLAMATION IN AUSTRALIA -AN OVERVIEW1 by L.C. Bell 2, S.C. Ward 3, E.D. Kabav 4 and C.J. Jones 5 Abstract. The paper briefly reviews legislative requirements for rehabilitation of mine tailings in Australia before consideration of case studies of rehabilitation in bauxite, base metal, gOld and uranium mining operations.
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Current situation and prospects for the clean utilization of …
Treating gold tailings used for agroforestry restoration and land reclamation can be an economical, efficient, and eco-friendly method for the ecological restoration of gold mine …
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Ecological rehabilitation of mine tailings | Plant and Soil
Ecological engineering of tailings has been advocated to change tailings' mineralogy, improve physicochemical properties, and accelerate soil formation (i.e. pedogenic processes), allowing the re-colonisation of microbial communities and pioneer plant species (Huang et al. 2012).These early settlers, in turn, act as powerful biological drivers to advance …
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Abandoned gold mine tailings : mineralogy, environmental …
In terms of the economic aspect, the tailings contain substantial amount of gold (7.38 g Au/t) with significant economic value. It is estimated that the tailings pond at Gango Gold Mine contains more than 945 kg of gold. Reprocessing of Gango gold mine tailings to recover the precious gold metal is highly viable.
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GUIDANCE FOR THE REHABILITATION OF …
• Evaluate and define the existing state of knowledge with regard to reclamation and rehabilitation methods and their water quality impacts. • Site-specific assessments of the potential of …
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Project Update: Gold Mine Site Reclamation
The following is an update on the project status for the reclamation work planned for the former Long Lake Gold Mine. The update reflects the completion of the detailed design drawings and construction specifications. The Report and data collected for the Phase I Site Characterization and Conceptual Rehabilitation Plan is still available on the weblink shown below.
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A practical guide to re-treatment of gold processing residues
Mine tailings, especially historical ones, can contain economically feasible resources, and given the right condition, such tailings could be reutilised through a waste valorisation concept. A prominent example are the Witwatersrand gold mine tailings in South Africa, which have been reused in small-scale projects.
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Mine tailings reclamation project improves water quality …
Mine tailings reclamation project improves water quality in Yellowstone's Soda Butte Creek. By Tom Henderson, Andrew Ray, Pete Penoyer, Ann Rodman, Mary Levandowski, Alysa Yoder, Shane Matolyak, Mary Beth Marks, and Autumn Coleman ... McLaren Gold Mine Mill near Cooke City, Montana, in 1946. The tailings impoundment extends outward from the ...
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Secondary Gold Recovery & Reclamation of Historic …
Secondary Gold Recovery & Reclamation of Historic Mine Properties Charmaine Weyer Geochemist QC Specialist Golden Sunlight Mines, Inc. Joe Scyphers Geologist GM Operations ... Refinery - Doré – 70% gold; 10% silver Mill tailings - Inco cyanide destruction . Refining . Toll Ore Program Totals 2011-Present Year Tons Total paid out 2011 107,724 ...
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British Columbia Mine Information
The Afton/Ajax/Abacus copper-gold mining project is located near, and partially within, the southern boundary of the City of Kamloops. ... Gold; Tailings Impoundments: 1; info_outline Go to Mine Details location_on Show on Map. ... addremove Bralorne Gold Mine Bralorne Gold Mines Ltd. Metal Closed Reclamation Long-Term Maintenance & Water ...
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CONTROLLED RIVERINE TAILINGS MANAGEMENT
• How PT-FI is preparing for eventual mine closure and reclamation of the tailings deposition area. This publication attempts to cover a very broad subject and you are invited to contact the Corporate Social Responsibility Department in Phoenix if you would like additional information. Crop trials in the tailings reclamation and demonstration ...
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THE COMPOSITION AND STATE OF GOLD TAILINGS
Major types of gold occurrences in the Witwatersrand reefs. 2-5 Ratings of crushing plant used commonly in the gold industry. 2-9 Summary of some significant tailings dam incidents since 1917. 2-42 . Specific gravity of gold tailings. 2-65 In-situ densities and void ratios for gold tailings. 2-67 Permeability values for gold tailings. 2-69
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FORT KNOX MINE
Fort Knox Reclamation and Closure Plan January 2018 Amendment 2 Fairbanks Gold Mining, Inc. 1-1 1.2 Applicant Information Fairbanks Gold Mining, Inc. A Subsidiary of Kinross Gold Corp. P.O. Box 73726 Fairbanks, AK 99707-3726 Telephone: (907) 488-4653 Fairbanks Gold Mining, Inc. Officer Completing Application Name: Eric Hill
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PROGRESSIVE RECLAMATION UTILIZING BIOSOLIDS AT …
have had an active interest in the closure and reclamation of the Hedley Gold Tailings Project. Important ... The mining of tailings ceased in 1995 when gold prices declined. Over 480,000 grams (15,400 ounces) of gold and about 11,800 grams (380 ounces) of silver were extracted by the project between 1988 and 1993. Tailings used in the
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Soilless remediation of the fine carbonate-rich gold-copper mine tailings
Carbonate-rich gold-copper mine tailings occurring alongside the Yangzi River, China, were employed as the objective in this study. They showed the characteristics of fine particles and alkaline pH with high density and low nutrition. The amendments including bacterial fertilizer (BF), polymer, peat, straw, and compound fertilizer (CF) were ...
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REMEDIAL AND RECLAMATION COST ESTIMATING FOR …
Accurately estimating reclamation costs at surface mining sites is important to many interested parties. For mining companies, reclamation cost estimates may be required for estimating cash reserves needed at the end of mine life, or to satisfy regulatory and/or …
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Secondary Gold Recovery & Reclamation of Historic …
•Reclamation of legacy dumps and tailings •Reclamation of landscape •Overall benefit to the region and Montana •Builds a positive relationship and helps to support Montana communities
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Practical Considerations in the Hydro Re-Mining of Gold Tailings
These factors impact on reclamation process selection and must be properly identified, quantified, and considered during the evaluation phase as they directly influence capital and operating costs. This chapter provides an update on modern practice in hydro re-mining of gold tailings from the broad perspective of a mining services provider.
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Gold tailings reclamation in South Africa
GOLD TAILINGS RECLAMATION IN SOUTH AFRICA l by JJP van Wyk2 Abstract. This paper deals with the history of rehabilitation (reclamation) on gold mine wastes since the beginning of …
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How to generate value from tailings with …
With advent of novel technologies, mining companies are now figuring out ways to extract valuable metals from tailings. In gold, copper sulfide and iron ore tailings, the potential of extracting ...
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McLaren Tailings Reclamation Project
McLaren Gold Mines Com-pany operated a flotation mill near Cooke City, processing ore from the McLaren deposit on Henderson Mountain in the New World Mining District. ... Soda Butte Creek in the vicinity of the McLaren Tailings Site. The reclamation consists of removing approximately 237,000 cubic yards of tailings, waste rock, and contami ...
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Central Plant Reclamation | Sourth Africa
Harmony is a gold mining specialist with a growing international copper footprint that includes our Wafi-Golpu and Eva Copper Mine projects. Read more. Corporate profile; History; Board; ... Central Plant Reclamation is a tailings retreatment operation near Welkom in the Free State. Originally built to process waste-rock dumps, it was converted ...
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5 methods of gold mine tailings treatment and …
The gold content in gold mine tailings is generally 0.2-0.6g/t. Due to the backward mining technology in the past, some of the gold and silver is lost in the tailings. At the same time, most of the gold ore in China is accompanied by copper, lead, and copper. With the advancement of beneficiation technology, zinc, iron, sulfur, and …See more on lzzgasia
Tailings Retreatment
Tailings retreatment represents the greatest contribution to recycling by Pan African. By reprocessing waste rock and tailings to extract gold left behind during the initial mining …
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