Los Andes Copper Ltd. is pleased to announce that as a part of the ongoing Pre-Feasibility Study at the Vizcachitas Project in Chile it has received improved flotation rougher recoveries resulting from further metallurgical testwork. Through optimizing the rougher flotation conditions, the Company will be able to increase copper and molybdenum recoveries.During 2019, as part of initial testwork for the PFS, a sample ...

Los Andes Copper Ltd. (TSXV: LA) ("Los Andes" or the "Company") is pleased to announce that as a part of the ongoing Pre-Feasibility Study ("PFS") at the Vizcachitas Project in Chile ("Vizcachitas" or the "Project"), it has received improved flotation rougher recoveries resulting from further metallurgical testwork. Through optimizing the rougher flotation conditions, the Company will be able to increase copper and molybdenum recoveries.

During 2019, as part of initial testwork for the PFS, a sample from previous testwork that represents the upper zone of the orebody was sent to SGS Minerals facilities for a rougher flotation assessment. The results of this assessment show that copper and molybdenum rougher recoveries, as compared to the 2019 Preliminary Economic Assessment ("PEA") formula, were improved by 3% and 6% respectively. This improvement was achieved by refining the flotation formula: decreasing pH, lowering the solids percentage of the slurry and adding a stronger frother.

The ongoing PFS metallurgical testwork in 2020 has confirmed these improvements. A new composite sample from the first 12 years of the mine plan was tested using both the PEA and PFS flotation formulas. The PFS formula shows an improved rougher recovery of 2.8% for copper and 7.8% for molybdenum over the PEA formulas.

Fernando Porcile, Executive Chairman of Los Andes, commented:

"I am pleased that the improved formula results from the current PFS testwork further enhance the project economics of an already robust project."

"The ongoing Pre-Feasibility Study for the Vizcachitas Project has confirmed the use of HPGR technology and validated the use of dry-stacked tailings. These technologies put the Vizcachitas Project at the forefront of the environmentally responsible practices being adopted for the future of sustainable mining globally."

About Los Andes Copper Ltd.

Los Andes Copper Ltd. is a development company with a 100% interest in the Vizcachitas project in Chile ("Vizcachitas" or the "Project"). The Company is focused on progressing the Project, which is located along Chile's most prolific copper belt, into production.

Vizcachitas is a copper-molybdenum porphyry deposit, located 120 km north of Santiago, in an area of good infrastructure. The N.I. 43-101 compliant Preliminary Economic Assessment , delivered in June 2019, highlights that the Project has a post-tax NPV of USD$1.8 billion and an IRR of 20.77%, based on a USD$3 per pound copper price. The Project has a Measured Resource of 254.4 million tonnes at a grade of 0.439% copper and an Indicated Resource of approximately 1.03 billion tonnes at a grade of 0.385% copper. Please refer to the technical report dated June 13, 2019, titled "Preliminary Economic Assessment of the Vizcachitas Project", prepared by Tetra Tech.

The PEA is preliminary in nature, it includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the PEA will be realized.

The Company is currently advancing the Pre-Feasibility Study of the Project. With the incorporation of a highly experienced management team, the Project is incorporating changes to position itself on the forefront of global environmental trends for mining. The conversion to dry-stacked filtered tailings will result in a substantial reduction in water consumption and will discard the use of tailings dams, thus reducing the Project's footprint, environmental impact and seismic risks.

Additionally, there is significant exploration upside at Vizcachitas with the potential to increase the resource base beyond the initial 45-year mine life modelled in the PEA. Part of this upside has been further delineated in the geological mapping and geophysics work program completed during the 2020 Chilean winter season.

Los Andes Copper Ltd. is listed on the TSX-V under the ticker: LA.

Qualified Persons

Antony Amberg CGeol FGS, the Company's President and CEO, and Magin Torres, the Company's Senior Metallurgist who is a Qualified Person in Extractive Metallurgy under the Chilean Mining Commission, QP Registration No. 0409, are the qualified persons under N.I 43-101 who have reviewed and approved the scientific and technical information contained in this news release.

For more information please contact:

Fernando Porcile, Executive Chairman
Tel: +56 2 2954-0450

Antony J. Amberg, President & CEO
Tel: +56 2 2954-0450

Blytheweigh, Financial PR
Megan Ray
Rachael Brooks
Tel: +44 207 138 3203

E-Mail: info@losandescopper.com or visit our website at: www.losandescopper.com

Follow us on twitter @LosAndesCopper

Follow us on LinkedIn Los Andes Copper Ltd

Certain of the information and statements contained herein that are not historical facts, constitute "forward-looking information" within the meaning of the Securities Act (British Columbia), Securities Act (Ontario) and the Securities Act (Alberta) ("Forward-Looking Information"). Forward-Looking Information is often, but not always, identified by the use of words such as "seek", "anticipate", "believe", "plan", "estimate", "expect" and "intend"; statements that an event or result is "due" on or "may", "will", "should", "could", or might" occur or be achieved; and, other similar expressions. More specifically, Forward-Looking Information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such Forward-Looking Information; including, without limitation, Spinnaker's ability to raise capital, target and attract institutional and retail investors and focus on developing and expanding the network of investors, analysts and financial intermediaries who are interested in Los Andes. Such Forward-Looking Information is based upon the Company's assumptions regarding global and Chilean economic, political and market conditions and the price of metals and energy, and the Company's production. Among the factors that have a direct bearing on the Company's future results of operations and financial conditions are changes in project parameters as plans continue to be refined, a change in government policies, competition, currency fluctuations and restrictions and technological changes, among other things. Should one or more of any of the aforementioned risks and uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from any conclusions, forecasts or projections described in the Forward-Looking Information. Accordingly, readers are advised not to place undue reliance on Forward-Looking Information. Except as required under applicable securities legislation, the Company undertakes no obligation to publicly update or revise Forward-Looking Information, whether as a result of new information, future events or otherwise.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/71865

News Provided by Newsfile via QuoteMedia

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Perth, Australia (ABN Newswire) - Cyprium Metals Limited (ASX:CYM) is pleased to announce progress at its Nifty Copper Project. Since taking control of the site on the 30th March 2021, the Company has made significant progress towards establishing itself as an Australian copper producer.

Project Progress

Drilling programmes continue to upgrade mineral resource confidence, close the gaps in resource and to target extensional areas of the mineralised formation. Currently the Phase 2 reverse circulation ("RC") drilling programme is being completed in the South East of the Nifty open pit. There are now approaching 4,000 samples from this programme that have not had assays returned. Further to this, there remain over 8,000 samples for which assays have not been returned from the +16,000 metre South West drilling programme that was completed in November. The RC drilling continues to intersect ore grade intervals and following receipt of assays, will be included in the mineral resource model for the design and scheduling of the planned Nifty open pit. Once all of the assays have been received, a follow up Phase 2 drilling programme will be planned in the South West of the Nifty open pit and a follow up Phase 3 drilling programme in the South East of the Nifty open pit will be planned. This is very positive for the Nifty Copper Project as there are further copper tonnes to be added to the project copper inventory but also potentially delays final mine designs and schedule progress.

Design and scheduling of the open pit continues based on the recently released Nifty Mineral Resource. The current pit envelope does not include any increase in resources from the results of our drilling programmes as mentioned above. These designs will be sufficient to be included in the Restart Study and for the Finance process but will not be final until the resource is re-estimated during the first quarter of 2022 at the earliest.

Engineering design of the SX-EW plant and heap leach pads is nearing completion. The new heap leach pads construction and design detail is required for the Works Approval submission so that construction activities can commence. Concurrent with the design process, tenders are being issued for the purchase and supply of long lead items.

Metallurgy check column test work continues. Four columns have been undertaken, including the fourth column which is a 6-metre column to match operating conditions. Results have been as expected and optimisation of reagent consumptions continues. When this round of work has been completed, a number of follow up tests will be conducted to further optimise the operating parameters. Reporting to the market on these results will be done once the test work has been completed on the residues and the reports compiled. There will also be follow up tests undertaken on core and sonic drill samples. In addition, there are 550 sonic samples yet to be assayed that have been obtained from around the site to test for the location of stockpiled oxide material.

A consultant has been engaged to firstly, build a complete mass balance and copper recovery cathode software model for the project based on the metallurgical parameters and then secondly, to design and build a metallurgical accounting system for the project so that it is ready upon the commencement of plating copper metal at Nifty. This work is well advanced.

Finance process will commence once the Restart Study is finalised. Outstanding items are schedules, with allowance for an extended approval timeline, and final costs on a number of items including civil construction elements of the heap leach pads and associated crushing infrastructure.

Government Approvals are required in the new areas of the project. As a State Agreement tenement there is a Ministerial approval required to amend the project size and life. There is a requirement for clearing permits for the new clearing required for the new heap leach pads and an amendment to a current approval for the extension to the waste dump. There is an amended Mining Proposal required for the restart of the pit, pads and SX-EW which includes submission of a Project Management Plan and a Mine Closure Plan. There is an amended Works Approval required for the restart of the SX-EW and the new heap leach pads and an amendment to the Water Licence for the change in water extraction method from underground. There are also a number of smaller permits required around the restart of the mining operation, that require reactivation or renewal.

The process of obtaining these approvals is well advanced, having conducted initial meetings and workshops, document compilation is nearing completion. The first submission of the required proposals for the clearing of native vegetation for the waste dump and the new heap leach pads has already been lodged. This is the first stage in the approval process, with management and consultants preparing submissions for the subsequent approvals. Progress is being hampered by shortage of personnel and availability of external specialists to complete the various reports that are required to lodge approval documentation. The expectation is that all documents will be lodged by the first quarter 2022.

Government staff have been very helpful in assisting CYM in making sure that the required proposals contain all that is necessary for an efficient approval process but the various departments, like the whole WA resource industry are suffering from understaffing, and it is expected that the timelines to approval will be longer than originally anticipated. Site visits have been undertaken and the learnings from these visits have been helpful in ensuring that the proposal documentation is complete.

During CYM's tenure, staff have rectified a number of legacy issues at the site that have been paid little attention for some years and site crews have managed to rectify a number of areas that have previously been raised by the regulators. Further, the site crew have been cleaning and collecting years of rubbish and waste to centralised locations and are now going through a process of scrap, recycle or disposal for these waste streams. These waste streams also include chemicals and reagents that are expired and have been on site for many years. The sale of unwanted or scrap equipment has been commenced with sold items already been removed from site. This process will continue for some time due to the volume of equipment, materials, scrap and rubbish that has built up while Nifty was operational.

Refurbishment of the oxide crushing circuit and SX-EW plant has begun. Currently the plant is being stripped down and assessed for refurbishment on an item-by-item basis. The items to be refurbished are then despatched to the required refurbishment location for the work to be undertaken whether on site, in Perth or Kalgoorlie or another specialist location. As an example, the EW electric rectiformer has already been delivered to the workshop in NSW for its refurbishment. The items are also matched with any parts or spares in stock in the warehouse.

The accumulation process as described in the site clean-up section has also delivered a significant number of new and "useable" items back into the store, which had previously been located in sub or "squirrel" stores around the site. Stores staff are still in the process of cataloguing all these items for which they lack sufficient centralised storage areas for. As items are declared not required and sold it creates space to bring in items from those other areas.

Accommodation Camp refurbishment has begun with the eastern side of the camp undergoing a refurbishment process first. The refurbishment will bring the accommodation standard to be aligned with Cyprium's attraction and retention requirements for site personnel. Once the eastern refurbishment is complete the western refurbishment will commence. The dry mess is undergoing a refurbishment process concurrently with the eastern side of the camp.

Management Appointments

CYM is pleased to announce it has strengthened its management team as it progresses towards becoming a copper producer. The appointments made are to ready the team for the transition from Restart Study to construction and ultimately to production at the Nifty Copper Project. The company is fortunate to be able to make such quality appointments during a very tight labour market and this reinforces the quality of Cyprium's portfolio of Copper projects and the appeal of the Nifty Restart to experienced industry veterans.

John Banning has been promoted as the Chief Operating Officer for Cyprium. John's previous role for Cyprium was General Manager - Nifty and he is a mining engineer with over 20 years' experience in the mining and construction industries covering multiple commodities. His professional expertise extends from project development, construction, operations, technical, business improvement and management. John has previously been an independent consultant, Managing Director and Regional General Manager. He has worked with multiple large and mid-size resource companies in Australia and overseas.

Gavin Hammer has been promoted as the General Manager - Project Development and Operational Readiness. Gavin's previous role for Cyprium was Manager Engineering. Gavin is a maintenance professional with over 30 years' experience in asset maintenance and management, which includes surface and underground operations within fixed and mobile plant applications. His areas of expertise include the construction, commissioning, optimisation and asset management of process plants and mobile fleet operations in local and remote regions. Prior to joining Cyprium Metals, Gavin spent 5 years in Indonesia at the Wetar Copper Project follow by 2 years in Western Africa in operational and project construction roles.

Clint Moxham has been appointed as General Manager - Nifty. Clint is a mining engineer with over 20 years' of experience, with a track record of delivering greenfield and restart operations. He has a reputation of safe operations with a career long record of team management and mining operations successes. He is a mining engineer, geologist and mineral economist, with multi commodity expertise ranging from mining strategy, risk management, data analysis, infrastructure development, geological understanding, option analysis and mining due diligence.

Amanda Croft has been appointed Technical Services Manager - Nifty. Amanda is a geologist with over 20 years' experience in the mining industry covering multiple commodities. Her professional expertise extends from development and operational open pit and underground mines as well as greenfield and brownfield exploration in Australia and Africa. She has previously held management roles with a number of resource companies.

Managing Director Barry Cahill commented:

"The Cyprium team continues to kick goals on its way to producing copper metal plate at Nifty. Drilling success continues, design process is proceeding, and we have commenced refurbishment of the project. Despite our best efforts and the exceptional progress that we have made in 8 months, there are pressures being felt throughout the mining industry. These additional pressures are primarily due to labour shortages, increasing costs, COVID related impacts and long timelines that have impacted on our original projections.

These same factors are also impacting on processing times for regulatory approvals. Consequently, we have been forced to reschedule our forecast project timelines, with the commencement of new construction activities now expected in September 2022, following regulatory approvals. Copper metal production at Nifty will now commence by the second half of 2023. As usual for our team, we will aim to commence copper production at the earliest opportunity."

To view the Investor Webinar Presentation, please visit:
https://www.abnnewswire.net/lnk/E9LNO8T3



About Cyprium Metals Ltd:

Cyprium Metals Limited (ASX:CYM) is poised to grow to a mid-tier mining business and manage a portfolio of Australian copper projects to deliver vital natural resources, strong shareholder returns and sustainable value for our stakeholders. We pursue this aim, in genuine partnerships with employees, customers, shareholders, local communities and other stakeholders, which is based on integrity, co-operation, transparency and mutual value creation.



Source:
Cyprium Metals Ltd

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