As a result, the copper and gold net smelter returns for copper concentrate sold to Smelter A are equal to 511 and 515 per tonne of concentrate, or and per tonne of ore. When these numbers are divided by the mill feed grade, the copper and gold NSR factors are equal to per % Cu and per gram of gold.

 · Copper Mountain Mining Corporation announced positive results from an additional 10 diamond drill holes, totaling 4,178 metres, as part of the ongoing exploration program at the New Ingerbelle coppergold open pit ("New Ingerbelle").

 · About Copper Mountain Mining Corporation Copper Mountain's flagship asset is the 75% owned Copper Mountain mine loed in southern British Columbia near the town of Princeton .The Copper Mountain mine currently produces approximately 100 million pounds of copper equivalent per year, with average annual production expected to increase to .

These results show that ancient mining focused on the ore deposit of Phoukasa, which geological studies have shown to be very rich in copper (Bear Reference Bear 1963). An assemblage of mining tools and other equipment has been recovered from within these ancient galleries and adits, the publiion of which is forthcoming.

 · Aggressive 2022 Exploration Campaign Planned for Indata CopperGold Project. Vancouver, – TheNewswire – March 17, 2022 – Eastfield Resources Ltd. ( TSXV:ETF) (OTC:ETFLF) is pleased to announce plans for an aggressive 2022 exploration program by optionee Alpha Copper Corp. (TSXV:ALCU) at its Indata Copper Gold Project in British .

Health effects of mining very severe. The mercury used in mining causes a number of different health problems, including neurological disorders and kidney diseases. Besides mercurypoisoning, people living around mines are polluted by lead, zinc and copper. Other consequences of mining for human health

Copper Appliions in Metallurgy of Copper Copper Alloys. Copper minerals and ores are found in both igneous and sedimentary rocks. Mining of copper ores is carried out using one of two methods. Underground mining is achieved by sinking shafts to the appropriate levels and then driving horizontal tunnels, called adits, to reach the ore.

 · Kingfisher Mining : Boolaloo Copper and Gold Drilling Results. Cash: (30 September 2021) E: peter First drill hole from Green Hills Prospect returns 12m at % Cu and g/t Au, including 4m at % Cu and g/t Au.

 · Doré Copper Mining Corp CEO Ernie Mast tells Proactive the group has received additional results from the 2021 drilling campaign at its flagship Corner Bay property in Québec, which included ...

COPPER: Anything over 100 metres and 1% copper equivalent or better is considered to be highgrade. For example, Serengeti Resources announced metres of % copper equivalent (copper plus gold values added together) at depths from 180 to 300 metres. The stock then increased from to after those drilling results were reported.

Environmental effects of mining can occur at local, regional, and global scales through direct and indirect mining practices. The effects can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes. These processes also affect the atmosphere from the emissions of carbon which .

 · Copper Mountain Mining Announces Results of Annual Meeting of Shareholders Vancouver, British Columbia – June 13, 2019 – Copper Mountain Mining Corporation (TSX: CMMC | ASX:C6C) (the "ompany" or "opper Mountain") announces results of the ompany's annual meeting of shareholders (the "Meeting") held on June 12, 2019.

Urban Mining is a concept that emphasizes the potential of cities, the human habitat and built environment as a source of raw materials. New research, commissioned by the International Copper Association (ICA) and conducted by Fraunhofer ISI, looks at its definition, the benefits it brings in strengthening the circular economy and raw materials value chain, existing obstacles, .

 · Calculated Results: Results are calculated using the following formula: MetalEq (percent) = G pri + (G pri × [∑ i R i S i V i G i]/(R pri S pri V pri G pri)) where R is the respective metallurgical metal recovery rate, S is the respective smelter return rate, V is metal price/tonne, and G is the metal commodity grade for the suite of potentially recoverable commodities (i) .

 · Vancouver, BC, October 14th, 2021. CAVU Mining Corp. (CSE: CAVU) (OTCMKTS: CAVVF) (FSE: 8NQ) ("CAVU" or the "Company") is pleased to provide an overview of the successful 2021 drilling campaign on the Hopper CopperGold Project ("Hopper" or the "Project"). This year's program fortified the Company's understanding of the highgrade skarn .

 · Mining Milling Operations – strong Q4 operating results contributed to another year of record copper production . The MCSA Mining Complex processed 646,319 tonnes of ore grading % copper ...

 · VANCOUVER, BC, Feb. 14, 2022 /PRNewswire/ Copper Mountain Mining ... to 45,000 tonnes per day from 40,000 tonnes per day and improve copper recovery as a result of achieving a finer ...

Whilst drilling results of base metals are reported in a percentage per tonne (%), drilling results of precious metals are reported in grams per tonne (g/t). For an investor it is very important to know if a drill result is low, medium or high grade: this gives you the first impression of the possible financial outcomes of the deposit.

 · Eagle Mountain Mining has lit up its pathway to recommence mining at its Oracle Ridge copper project in Arizona with a massive 36% increase in resources. In a nod to the success rate of Eagle Mountain's (ASX:EM2) geology team, it took just 59 new holes to deliver the big lift in copper, silver and gold resources.

 · Sanatana Resources Inc. (TSXV:STA) has reported results from rock grab samples from the newly discovered Tarn Zone at its Oweegee CopperGold project in British Columbia's Golden Triangle. The Vancouverbased mineral exploration company said the Tarn zone was discovered at the end of the 2021 Oweegee field program and is loed over 8 .