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Rick Trotman, President and CEO of Barksdale stated: With the first holes expected to commence within the next six to eight weeks, this comprehensive program and the results that follow will certainly be an exciting time for Barksdale and its shareholders.

Exploration drilling of the Amelia deposit is extending and validating the lateral continuity of high-grade gold and silver intercepts, with highlights including 2.7 g/t gold and 11 g/t silver over 33.9 metres at 395 metres depth, which includes 5.7 g/t gold and 15 g/t silver over 8.3 metres at 402 metres depth.

Peter J. Hawley, CEO and President, remarks, SMUG21-03 has revealed what we have been targeting. Excluding the mined Santa Maria vein, we have hit four zones of silver mineralization in the Santa Maria Structure.

COO Hernan Dorado remarked: The main El Pinguico vein structure pinches and swells, occasionally showing widths of more than 8 meters noteworthy and very attractive in the Guanajuato region. This vein is parallel / sub parallel to the San Jose vein, with the two veins appearing to widen and coalesce at depth.

GR Silver Mining President and CEO, Marcio Fonseca commented This final batch of drilling results from drill holes PLI21-10 and 14, represent a step out of approximately 150 m to the north from the closest underground information in the Plomosas Mine Area. As a result, they confirm the presence of attractive gold and silver epithermal mineralization in unmined zones of the historic Plomosas Mine Area.

Capitans CEO, Alberto Orozco, stated: We are very pleased with the continuity that the Capitan gold zone has shown with each batch of drill holes that we have released. This additional drilling has not only expanded the presence of gold mineralization in the Capitan zone, but it has also helped our geological team have a better understanding of the geology and structural controls for the mineralization at the Capitan gold zone.

Canasil Resources Inc. announces mobilization and start of the 2021 drill program at the Nora silver-gold project in north-central Durango State, Mexico. The drill rig and logistics equipment are on site and drilling is underway.

Our recent push into unexplored areas at Yautepec has yielded solid and very positive results, uncovering multiple new mineralized centers, demonstrating proof of concept for our exploration model, said David Jones, Madoro Metals Exploration Manager and Director.

We are actively exploring the El Mezquite with our maiden drill program, and another team is continuing the Phase 2 geological mapping on Jackie, and look forward to compiling the hyperspectral data from rock samples and drill chips with the broad strokes of the ASTER/LANDSAT alteration fields for enhanced target definition.

Arturo Bonillas, President and CEO of Magna stated: We are all extremely proud of the Magna team for achieving this tremendous milestone on schedule. Achieving full-scale commercial production in such a short period of time is a testament to the hard work and quality of our Mexico-based operations team and as a company, we have demonstrated our ability to execute on all our target deliverables.

Silver Tigers CEO, Glenn Jessome, stated, We have stepped out 55 meters to the south from our initial discovery hole on the Benjamin Vein and the super high grade silver within wide mineralized zones continues to hold. It is apparent that the Benjamin is the northern extension of the Sooy Vein.

The exploration team is delighted that the Board has given us another drill rig to drill targets that emerged through our exploration to date, said Dr. Peter Megaw, Chief Exploration Advisor to Reyna Silver. We have a large area in which to seek the source intrusion, so the second rig gives us the flexibility to follow up on initial holes while continuing to drill our initially identified targets.

Alan Pangbourne, CEO, states: The drill results from Metates are higher than expected further supporting our thesis that within the world class deposit, a higher-grade component exists from which we can build a foundation for a new mine plan. We look forward to completing ongoing efforts to re-scope and optimize this impressive project.

Rick Trotman, President and CEO of Barksdale stated: With the first holes expected to commence within the next six to eight weeks, this comprehensive program and the results that follow will certainly be an exciting time for Barksdale and its shareholders.

The Offering included an investment from Crescat Capital. Minaurums value is strongly underpinned by its high-grade Alamos silver project, commented Quinton Hennigh, technical advisor to Crescat Capital.

Stephen Orr, Chief Executive Officer, stated CLGs impressive Q2 mine and plant performance produced record results. Mine development during Q2 accessed the expected higher-grade ore forecast to be mined during 2021 and the plant production averaged a record 2,535 tonnes per day, above the design capacity of 2,500 tonnes per day. Record recoveries for silver, lead and zinc achieved in the quarter were also well above design.

James McDonald, President and CEO, comments We are working to update the mineral resource estimations and evaluate the potential economics of the two most advanced projects, La Cigarra and La Negra (Promontorio). Mr. Smit is well known for his experience and expertise in advancing projects from resource estimation through to feasibility and construction and we look forward to drawing on his expertise as we move these projects forward.

Parral continues to be an engine of free cash flow, generating in excess of US$5.5 million this quarter. We finished the quarter with a strong cash balance of over $73 million US, said Brad Langille, President and CEO.

I am very pleased that this agreement could be signed, stated Americas Gold and Silver President & CEO Darren Blasutti. Through extensive deliberations with senior Mexican ministers, certain union representatives, the will of our workers and the community and the President of Mexico, the agreement is a significant step to ensure the long-term stability of the operations by its signatories.

Jeremy Bond commented on the reason for Terra Capital increasing its shareholding in Empress: Since its inception less than one year ago Empress has developed a unique business strategy and transformed itself through the creation of three new royalties and streams on development stage projects.

With the extremely high-grade intercept in hole CDH-072 we have confirmed the bonanza grades El Cometa intercepted by the historic drilling (UC-03) and further developed the model for the complex El Cometa vein system. The model will guide future exploration in this structure which extends 2km east to Los Reyes. Our deeper drilling to extend the eastern side of the El Refugio clavo has shown excellent continuity intercepting multiple veins.

We are world leaders in testing, inspection and certification services. We are present in all sectors of the economy with solutions and services that enhance the business, avoiding risks, improving operational performance and protecting the reputation and brand of our clients.

Exploration drilling of the Amelia deposit is extending and validating the lateral continuity of high-grade gold and silver intercepts, with highlights including 2.7 g/t gold and 11 g/t silver over 33.9 metres at 395 metres depth, which includes 5.7 g/t gold and 15 g/t silver over 8.3 metres at 402 metres depth.

Peter J. Hawley, CEO and President, remarks, SMUG21-03 has revealed what we have been targeting. Excluding the mined Santa Maria vein, we have hit four zones of silver mineralization in the Santa Maria Structure.

Rick Trotman, President and CEO of Barksdale stated: With the first holes expected to commence within the next six to eight weeks, this comprehensive program and the results that follow will certainly be an exciting time for Barksdale and its shareholders.

COO Hernan Dorado remarked: The main El Pinguico vein structure pinches and swells, occasionally showing widths of more than 8 meters noteworthy and very attractive in the Guanajuato region. This vein is parallel / sub parallel to the San Jose vein, with the two veins appearing to widen and coalesce at depth.

GR Silver Mining President and CEO, Marcio Fonseca commented This final batch of drilling results from drill holes PLI21-10 and 14, represent a step out of approximately 150 m to the north from the closest underground information in the Plomosas Mine Area. As a result, they confirm the presence of attractive gold and silver epithermal mineralization in unmined zones of the historic Plomosas Mine Area.

Capitans CEO, Alberto Orozco, stated: We are very pleased with the continuity that the Capitan gold zone has shown with each batch of drill holes that we have released. This additional drilling has not only expanded the presence of gold mineralization in the Capitan zone, but it has also helped our geological team have a better understanding of the geology and structural controls for the mineralization at the Capitan gold zone.

The results released today confirm the new vein corridors recently identified by mapping are mineralized and carry similar grade to our Main Zone, commented VP Exploration, Brodie Sutherland. Our next phase of drilling will begin later this month.

The Offering included an investment from Crescat Capital. Minaurums value is strongly underpinned by its high-grade Alamos silver project, commented Quinton Hennigh, technical advisor to Crescat Capital.

Stephen Orr, Chief Executive Officer, stated CLGs impressive Q2 mine and plant performance produced record results. Mine development during Q2 accessed the expected higher-grade ore forecast to be mined during 2021 and the plant production averaged a record 2,535 tonnes per day, above the design capacity of 2,500 tonnes per day. Record recoveries for silver, lead and zinc achieved in the quarter were also well above design.

James McDonald, President and CEO, comments We are working to update the mineral resource estimations and evaluate the potential economics of the two most advanced projects, La Cigarra and La Negra (Promontorio). Mr. Smit is well known for his experience and expertise in advancing projects from resource estimation through to feasibility and construction and we look forward to drawing on his expertise as we move these projects forward.

Parral continues to be an engine of free cash flow, generating in excess of US$5.5 million this quarter. We finished the quarter with a strong cash balance of over $73 million US, said Brad Langille, President and CEO.

Stephen Orr, Chief Executive Officer, stated, The initial drilling in CLGs SE and NW zones is successfully upgrading the 3.7 million tonnes of Inferred resource to the Measured and Indicated category. Furthermore, the identification of additional offsets to a recently discovered new SE zone vein has extended the CLG mineralization beyond the current resource model and demonstrated that the southeast extension of the deposit is still open along strike.

Our company BYLSA DRILLING provides drilling services in a variety of environments, ranging from typical exploration sites to extreme topographic conditions, always with the highest quality and safety standards.

The promotion and dissemination as essential elements to understand and disseminate our Mineral resources, that is why today it is pleased to make the document Mining Panorama available to society, by state.

GeoInfoMex, is the consultation system of the Mexican Geological Service that allows users to know geoscientific information and make decisions with savings in time and resources, helping to promote mining activity.

The DOF is the organ of the Constitutional Government of the United Mexican States, which has the function of publishing in the national territory, to so that they are properly observed and applied in their respective areas of competence.

mexico's top copper miner plans $3.1 bln baja, refining spend | financial post

MEXICO CITY Grupo Mexico is planning $3.1 billion in new investments for metals refining in Sonora state and power infrastructure for a major mine that will bring cheaper electricity to the isolated Baja peninsula, the companys No. 2 executive told Reuters.

The six-year investment blueprint includes a $2.3 billion expansion to existing smelting capacity in Sonora, a northern state home to the companys top mines, and $815 million for major new electricity lines for the Baja California peninsula.

Grupo Mexico Vice Chairman Xavier Garcia de Quevedo detailed nearly $9 billion in investments through 2027, including a previously-announced $2.8 billion for its proposed El Arco copper mine, which would anchor the Baja power investment. The rest will be spread over additional infrastructure, two other mines and new zinc refining capacity.

While the two-year-old administration of leftist President Andres Manuel Lopez Obrador has shown mixed support for mining, Garcia de Quevedo said the mining, rail and energy companys plans have been discussed with senior government officials.

This is something that the government knows very well, he said in an interview last week, noting the projects require permits but no new mining concessions. We all trust that we could have all the authorizations very soon.

Lopez Obrador deemed mining an essential sector last year amid a wave of pandemic-related business restrictions, but has been widely criticized by the industry for the slow pace of permits and approvals, attributed to spending cuts at his environment ministry, as well as a policy of no new concessions.

Grupo Mexico, the countrys third-largest company by market capitalization, has mining operations across the Americas via its majority-owned Southern Copper Corp. It also has a major rail freight business in Mexico and a big presence in the countrys oil sector, transporting refined products for state-run energy company Pemex by both rail and pipeline.

However, he said, new copper production was set to come online from key mines by the second quarter of 2023, including an additional 36,000 tonnes a year from its El Pilar mine in Sonora and 30,000 tonnes annually from Buenavista.

Weve always followed the philosophy of planning our investments on (the expectation) of low copper prices, Garcia de Quevedo said, noting Grupo Mexico typically plans for copper at about $5,500 per tonne, far below a recent all-time high over $10,700.

Grupo Mexico owned by billionaire German Larrea, who criticized Lopez Obrador just months before his 2018 victory won a contract along with Spains Acciona to build a stretch of the Maya Train tourist rail project, a top priority of the president that will connect beach resorts Cancun and Tulum.

Elsewhere, Grupo Mexico is still awaiting a construction license for its Tia Maria copper project in Peru and the mines fate will likely depend on the winner of next months presidential vote, he said.

The companys shares recently rose on polls showing Keiko Fujimori, the business-friendly right-wing candidate, closing the gap with socialist rival Pedro Castillo, who has pledged to renegotiate mining contracts. (Reporting by David Alire Garcia; Editing by Amran Abocar, Tom Hogue and Marguerita Choy)

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The 777 mine is an underground copper, zinc, gold and silver mine located within the Flin Flon Greenstone Belt (FFGB), immediately adjacent to Hudbays principal concentrator in Flin Flon, Manitoba. Development of the 777 mine commenced in 1999 and commercial production began in 2004.

Ore produced at the 777 mine is transported to Hudbays Flin Flon concentrator for processing into copper and zinc concentrates. Copper concentrate is sold to third party purchasers and zinc concentrate is sent to Hudbays Flin Flon zinc plant where it is further processed into special high grade zinc products before being sold to third party purchasers.

The Aljustrel copper-zinc-lead-silver mine is located in Portugal and is 100% owned by Almina - Minas do Alentejo, S.A., a private company who purchased the mine from Lundin Mining Corporation in early 2009.

In 2014, in exchange for renumeration, Wheaton Precious Metals agreed to waive its rights to silver contained in copper concentrate at the Aljustrel mine but retains a stream on silver produced from the zinc and lead ores.

In 2018, the agreement with Almina was amended to increase production payments to 50% of the amounts received under concentrate sales agreements and fix silver payable rates for a period of two years and limit rate decreases thereafter. In Q2 2018, Aljustrel began processing zinc ores to produce zinc and lead concentrates containing silver payable to Wheaton.

The Cotabambas copper-gold-silver deposit is located in Peru, South America, and has been systematically explored since 1995. Cotabambas is located in the mountainous terrain of the high Andean Cordillera. Elevations on the property vary between approximately 3,000 and 4,000 metres. The region is characterized by deeply incised river valleys and canyons.

The Ccalla and Azulccacca zones of the Cotabambas deposit are porphyry copper deposits. The two host porphyries cover an area about 2.5 kilometres long and 1.5 kilometres wide. Mineralization occurs in hypogene, supergene enrichment and oxide zones within the host porphyries and surrounding diorites. A well-developed leached cap hosts the oxide mineralization. Sulphide mineralization consists of chalcopyrite and pyrite, and gold grades are strongly correlated to copper grades in the hypogene zone.

In June 2019, Panoro announced assay results from a recently completed drill program. The first phase of drilling at the Chaupec Target was composed of five drill holes totalling 997 metres of drilling. The five drill holes were completed at the northern end of the Chaupec target along approximately 1.2 km of strike. The drill results, with high grades of copper, gold, silver including grades of lead and zinc are confirming the potential presence of a new porphyry stock in the vicinity of the drilled area. In July 2020, Panoro announced plans for additional exploration work at the Chaupec and Gauclle Targets with an objective to identify near-surface, high-grade mineralization to provide additional early life feed to the proposed 80,000 tonne per day concentrator included in the PEA report.

Alexco Resource Corp. (Alexco) commenced production of its silver-lead-zinc Bellekeno mine, located within the Keno Hill District (District) in Yukon, Canada, in the third quarter of 2010. The District is historically one of the highest-grade and most prolific silver producing areas in the world.

The Bellekeno mine, one of the worlds highest-grade silver mines with a production grade of up to 1,000 grams per tonne, was Canadas only operating primary silver mine from 2011 to 2013. The conventional flotation mill has a designed capacity of 400 tpd and the mine employs either cut and fill or longhole mining methods.

In the last three years, Alexco geologists have added more than 20 million ounces of indicated silver at an average grade of 800 g/t to its resource base, primarily related to the discovery of the Flame & Moth and Bermingham deposits.

In March 2019, Alexco announced the results of an independent pre-feasibility study on the Keno Hill Silver project. Highlights of the study include an eight-year mine life producing 4.0 Moz of silver per year. In July 2020, Alexco announced they received the final amended and renewed Water Use License for the Keno Hill Silver District from the Yukon Water Board. The company is now moving forward with final development of its mines at Keno Hill, anticipating initial concentrate production and silver sales in Q4 2020.

The Kutcho property is located approximately 100 kilometres east of Dease Lake in the Liard mining division of northern British Columbia, and consists of one mining lease and 46 mineral exploration claims covering an area of approximately 17,060 hectares. The site is accessible via a 900 metre long gravel airstrip located 10 kilometres from the deposit and a 100 kilometre long seasonal road from Dease Lake suitable for tracked and low-impact vehicles.

The Kutcho property lies within the King Salmon Allochthon, a narrow belt of Permo-triassic island arc volcanic rocks and Jurassic sediments, situated between two northerly-dipping thrust faults: the Nahlin fault to the north, and the King Salmon fault to the south. The belt of volcanic rocks is thickest in the area where it hosts the VMS deposits, partly due to primary deposition, but also to stratigraphic repetition by folding and possibly thrusting.

The Kutcho project is envisioned to be an underground mining operation, supplemented by a starter pit on the Main deposit during the construction phase, to extract ore from the Main and Esso deposits. Two underground mining methods are proposed: sublevel longhole stoping for areas where the dip is greater than 50, and mechanized cut and fill with paste backfill in shallow dipping areas of less than 50. A 2,500 tpd process plant is assumed to operate 365 days per year at 92% availability, with mill feed to be crushed, ground and subsequently subjected to copper and zinc flotation.

The Los Filos gold-silver mine is located 180 km south of Mexico City in the municipality of Eduardo Neri, Guerrero State, Mexico. The operation consists of two open pit mines (Los Filos and Bermejal) and one underground mine (at Los Filos), with common heap leach, wet plant and ancillary facilities to produce a final gold dor product on site.

Gold and silver are recovered from crushed and run-of-mine ore via a conventional, low-cost heap leach and ADR (adsorption-desorption-recovery) process. Infrastructure on site includes primary and secondary crushing plants with 18,000 tpd capacity, an overland conveyor system, agglomerator, two heap leach pads, two pregnant solution collection ponds, one recirculation pond and two contingency water ponds and an ADR plant and refinery.

The orebodies at Los Filos consist of iron-gold skarn with minor amounts of copper and silver at the intrusive-limestone contact. Orebodies also occur with endoskarn and are disseminated within the hydrothermally altered intrusive rocks. The mineralogy of the contact orebodies is predominantly iron oxides with gold, in associations with lesser quantities of copper, lead, zinc, and arsenic occurring in carbonates and oxides as well as sulfides.

The Los Filos expansion project is underway with plans to enlarge the Los Filos open pit, add a new pit (Guadalupe), develop a second underground mine (Bermejal) and construct a new carbon-in-leach plant to complement the existing heap leach facilities. A 2019 feasibility study estimated total capex of $213 million for the expansion.

The Marmato Project, owned by Aris Gold, has excellent infrastructure as it is located by the Pan American Highway with access to Medellin to the North and Manizales to the South, and has access to the national electricity grid, which runs near the property. Marmato comprises the existing producing underground gold and silver mine (Upper Mine), which has been in operation since 1991 and the Marmato Deeps Zone (MDZ) project, both of which are covered by the Precious Metals Stream.

Mineralization within the Upper Mine consists of an epithermal low to intermediate sulfidation style and the MDZ is characterized by mesothermal vein/veinlet mineralization. The MDZ remains open at depth and to the east where recent drilling resulted in the discovery of the New Zone.

In August 2020, Aris filed a preliminary feasibility study ("PFS") technical report on the Marmato Project pursuant to National Instrument 43- 101 -Standards of Disclosure for Mineral Projects. The study affirms the economic viability of the underground expansion of the Marmato Project. The company has updated its plan for the Upper Mine to incorporate an expansion of the existing 1,200 tpd processing plant to 1,500 tpd, to be completed over the next two years. The Prefeasibility study is focused on the development of mining operations in the MDZ, including construction of a new 4,000 tpd CIL processing plant and new dry stack tailings storage facilities. Mechanized mining, using an underground longhole stoping method, in the MDZ is expected to further increase production commencing by 2023.

In June 2019, Capstone announced the sale of the Minto mine, which was on care and maintenance at the time, to Pembridge Resources PLC ("Pembridge"). Pembridge subsequently restarted operations in the third quarter of 2019.

The Minto copper-gold-silver mine located in Yukon, Canada, is an open pit and underground mining operation that commenced commercial production in 2007. Since 2007, the mine has undergone several successful expansions, more than doubling mill throughput levels from 1,563 tonnes per day to its current design throughput of 3,600 tonnes per day. The mill employs conventional crushing, grinding and flotation to produce copper and gravity concentrates with significant gold and silver credits. Concentrates are exported via the Port of Skagway, Alaska, to smelters in Asia for treatment and sale.

The Minto deposit is spread over a series of high grade areas interspersed with large deposits of low grade material. The mine plan was designed for the highest grade deposits to be mined sequentially in a series of small pits supplemented with additional ore from underground. Surface mining is complete with recent production coming from underground.

The Navidad project is one of the largest undeveloped silver deposits in the world. Navidad is located in Chubut, Argentina and is made up of eight zones, seven of which should be amenable to mining in a series of open pits. Wheaton Precious Metals holds a debenture convertible into an agreement to purchase 12.5% of the life of mine silver production from the Loma de La Plata zone, which is one of the highest grade zones within the Navidad deposit and represents approximately 25% of the projects measured and indicated silver resources. Loma de La Plata is silver-rich, but is sulphide-poor and contains very low levels of lead, zinc, and copper. Metallurgical testing has indicated that this zone is receptive to conventional flotation processing with forecast silver recoveries of approximately 72%.

There are material governmental and legal factors that affect the mineral resources at Navidad and the conversion of the mineral resources to mineral reserves. Legislation in place in the Province of Chubut currently prohibits open pit mining and the use of cyanide in the entire province. According to Pan American, no cyanide will be used to process the material anticipated to be mined at Navidad, but given the depth and orientation of the deposits, the economic mine plan involves open pit mining. Because of these governmental and legal factors, the otherwise economically viable portions of the deposit cannot be estimated as mineral reserves at this time.

Santo Domingo is a first quartile copper-iron-gold project2 and Chiles only fully-permitted greenfield project. The proposed open-pit mine is located 50 kilometres southwest of Codelco's El Salvador copper mine and 130 kilometres north-northeast of Copiap, near the town of Diego de Almagro in Region III, Chile. Elevation at the site ranges from 1,000 to 1,280 metres above sea level, with relatively gentle topographic relief.

Santo Domingo is owned by Capstone, a Canadian base metals mining company focused on copper with two producing mines, the Cozamin copper-silver mine in Zacatecas State, Mexico and the Pinto Valley copper mine located in Arizona, US. In addition, Capstone owns the Santo Domingo project, a large scale, fully-permitted, copper-iron-gold project in Region III, Chile, as well as a portfolio of exploration properties. Capstone's strategy is to focus on the optimization of operations and assets in politically stable, mining friendly regions, centered in the Americas. Wheaton has precious metals streaming agreements with Capstone on both the Cozamin mine and the Santo Domingo project.

The Stratoni mine is an underground lead-zinc-silver mine located approximately 4 kilometres from the coastal town of Stratoni in northern Greece. The mine is 100% owned by Hellas Gold S.A., which is 95% owned by Eldorado Gold Corporation and 5% owned by Aktor S.A., Greece's largest construction company. The deposit is a lead-zinc-silver carbonate replacement deposit that is hosted within marble of the Kerdilya Formation. The deposit is localized along the south dipping Stratoni Fault, a major structural feature and important mineralizing corridor in the centre of the Stratoni region. Stratoni has been in operation since September 2005 and produces high quality lead-silver and zinc concentrates. The mine has a capacity of 1,200 tonnes per day and utilizes conventional drift-and-fill mining methods.

In October 2015, in order to incentivize additional exploration and potentially extend the limited remaining mine life of Stratoni, Wheaton and Eldorado agreed to modify the Stratoni silver purchase agreement. The primary modification is to increase the production price per ounce of silver delivered to Wheaton over the fixed price by one of the following amounts: (i) $2.50 per ounce of silver delivered if 10,000 metres of drilling is completed outside of the existing ore body and within Wheatons defined area of interest (Expansion Drilling); (ii) $5.00 per ounce of silver delivered if 20,000 metres of Expansion Drilling is completed; and (iii) $7.00 per ounce of silver delivered if 30,000 metres of Expansion Drilling is completed. The third 10,000 metres of expansion drilling was completed during Q3 2020 and the delivery payment has been increased by $7.00 per ounce over the original fixed price

The Toroparu gold-copper project is located in the Republic of Guyana, South America. Discovered in 2007, the Toroparu Project has Proven and Probable mineral reserves of 4.1 million ounces of gold contained in 127 million tonnes of ore at a grade of 1.0 g/t Au. The Toroparu Project and surrounding gold anomalies lie at the edge of a large bending zone in the Puruni Shear Corridor, a regional feature that can be traced more than 100 kilometres into the prolific Venezuelan Gold District.

The project has its Environmental Authorization, Mineral Agreement and Fiscal Stability Agreement in place. A pre-feasibility study completed for the Toroparu Project in 2013 at US$1400/oz gold outlined the design of an open pit mine producing 228,000 ounces of gold per year over an initial 16-year mine life. Gran Colombia (formerly Gold X Mining) has signed a Memorandum of Understanding with the Guyana Government giving Gran Colombia exclusive rights to develop the Kurupung Hydro Project, approximately 50 kilometres south of the Toroparu Project. Optimizing the projects power supply by building the proposed run-of-river hydroelectric facility could significantly reduce the estimated operating cash cost.

A Preliminary Economic Assessment was announced in June 2019, which examined a project re-scope which included the Sona Hill satellite deposit and a modification of the processing strategy to start with gold-only production from a CIL circuit for the initial 10 years, followed by the addition of flotation processing capacity. As of May 2020, the licensing process for the Toroparu project has entered the final stage of regulatory review of all documentation under the updated Mining License Application submitted in October 2019.

The Metates gold-silver property is located in Mexico and is owned by Chesapeake Gold Corp. (Chesapeake). Metates is one of the largest, undeveloped disseminated gold and silver deposits in the world. The March 2017 updated pre-feasibility study of Metates envisions a conventional truck and shovel open pit mining operation to support a Phase 1 rate of 30,000 tonnes per day (tpd) to Phase II of 90,000 tpd in a staged expansion process plant. Crushed ore will be fed to a conventional SAG and ball mill circuit followed by a single stage flotation plant to produce a bulk sulphide concentrate. This concentrate would then be transported downhill to the processing site where the sulfides are oxidized in an autoclave circuit prior to cyanidation to recover the gold and silver. Given the high-sulfide nature of the concentrate, the autoclave process will produce large quantities of acid that need to be neutralized. The neutralization process would have been a significant cost for the operation and this drove the decision for Chesapeake to propose to transport the concentrate slurry via a 103 kilometre pipeline to a plant within Chesapeakes limestone concessions. The concentrate solution also contains dissolved zinc and copper that may be recovered during the course of neutralization.

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