About Us

MINEVIK Machinery is a leading and pioneering enterprise with the most advanced international level in R&D, manufacturing and selling of large-scale crushing & screening plants and beneficiation plants.

large-scale crushing & screening plants and beneficiation plants.

All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification.

  • In central China-Zhengzhou, covering 140 thousand square meters
  • Win-win cooperation and create more value to customers
  • Exported large quantities and high-end mobile crushing plant and milling equipments to Russia, Kazakhstan, Indonesia, Ecuador, South Africa, Nigeria, Turkey more than 100 countries .

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Our Products

AS a leading global manufacturer of crushing and milling equipment, we offer including quarry, aggregate, grinding production and complete stone crushing plant. We also supply individual crushers and mills as well as spare parts of them.

Services

Our goal is to guarantee the excellent operation equipment with high safety for our customers and minimize the downtime of the machine by predictive maintenance. Kefid service and original accessories can be 100% trusted at the time of maintenance.

SERVICE AND SUPPORT

Minevik service and original accessories can be 100% trusted at the time of maintenance.

ACCESSORIES CENTER

striving to enable customers to get the parts in the nearest place.

SALES MARKET

Our sales market is spread all over more than 100 countries and regions

otjikoto gold open pit mining method

Major Mines & Projects | Otjikoto Mine

Mar 27, 2020· The Otjikoto open pit operate with traditional equipment and methods. Ore and waste are emulsion blasted, then loaded with hydraulic excavators and shovels into 100 tonne class haul trucks. For 2016, Phase 1 of the Otjikoto Pit is expected to provide most of the ore tonnage, while Phase 2.

First Blast at B2Gold's Otjikoto Underground Project

It also heralded introduction of the first underground gold mine in Namibia, promising a significant injection into the Namibian fiscus over the next five years. The Wolfshag underground mining project was approved by the B2Gold Board in December 2019, following an internal trade-off study between open pit and underground mining.

B2Gold The World's New Senior Gold Producer | Otjikoto

Mineral Reserves that will be mined by open pit methods and Mineral Reserves held in stockpiles assume a conventional open pit mining method, gold price of US$1,350/oz, metallurgical recovery of 98%, selling costs of US$57.44/oz including royalties and levies, average mining cost of US$2.29/t mined, average processing cost of US$12.26/t

In depth: B2Gold's Otjikoto mine

May 18, 2015· Based on its current resources and reserves, Otjikoto has a 12.5 year lifespan, delivering about 140 00 ozpa for the first five years and 112 000 ozpa on average over the full life-of-mine timeframe. Its gold processing plant, designed for easy expansion, uses traditional process methods and comprises a SAG ball gyratory crusher, pre-elution

作者: Mining Review Africa

B2gold’s Otjikoto golden child Namibian Mining News

Triple-listed international gold miner B2Gold Corp. (B2Gold) is celebrating record production volumes (and process plant recoveries) at its Namibia-based open cast Otjikoto operation – well above initial output expectations when the mine started producing in December 2014.

Otjikotos golden start-up Mining Magazine

Gold production for Canada’s B2Gold Corp will grow from 410,000oz in 2014 to over 550,000oz in 2015 with the completion of a new open-pit mine at Otjikoto, 300km north of the capital, Windhoek. Login

B2Gold The World's New Senior Gold Producer | Otjikoto

Headquartered in Vancouver, Canada, B2Gold Corp. is the world's new senior gold producer. Founded in 2007, today, B2Gold has five operating gold mines and numerous exploration and development projects in various countries including Nicaragua, the Philippines, Namibia, Mali, Burkina Faso, Colombia and Finland. With the large, low-cost Fekola Mine now in production, B2Gold is well positioned in

GOLD: B2Gold’s new Otjikoto mine goes commercial ahead of

NAMIBIA – Vancouver-based B2Gold Corp. has reached commercial production at its open pit Otjikoto gold mine ahead of schedule at the end of February 2015.The company says the ramp up continues ahead of budget, as well. The mine, located 300 km south of Windhoek, poured its first gold on Dec. 11, 2014, a week ahead of schedule.

(PDF) Mining Methods: Part I-Surface mining

Figure shows Hydraulic mining of a placer gold deposit Surface Mining methods (Open pit Mining method) 1.1) Open pit Mining method. 2 February 2016 Prof. Dr. H.Z. Harraz Presentation

B2Gold The World's New Senior Gold Producer | Reserves

Mineral Resources assume an open pit mining method, gold price of US$1,500/oz, metallurgical recovery of 91.46%, and operating cost estimates of US$1.69/t mined (mining), US$12.46/t processed (processing), and US$1.41/t processed (general and administrative). Mineral Resources are reported at a cut-offs of 0.40 and 0.45 g/t Au.

B2Gold 2021 production forecast 5% lower than 2020

Jan 21, 2021· For 2021, Otjikoto is budgeted to process a total of 3.4 million tonnes of ore at an average grade of 1.77 g/t with process gold recovery of 98%. Mining activities are scheduled to focus on waste stripping in Phase 3 of the Wolfshag Pit and Phase 3 of the Otjikoto Pit

Otjikoto gold mine Report | Wood Mackenzie

Otjikoto is an open pit operation that utilises conventional drill, blast, load and haul mining methods. The process plant comprises single stage crushing using a gyratory crusher, grinding in a SAG and ball mill, a gravity concentration circuit consisting of four Knelson concentrator units operated in parallel, a cyanide leach circuit and carbon in pulp (CIP) circuit.

First Blast at B2Gold's Otjikoto Underground Project

It also heralded introduction of the first underground gold mine in Namibia, promising a significant injection into the Namibian fiscus over the next five years. The Wolfshag underground mining project was approved by the B2Gold Board in December 2019, following an internal trade-off study between open pit and underground mining.

B2Gold Reports Strong Q4 2020 Total Gold Production of

Jan 20, 2021· Otjikoto Gold Mine Namibia. The Otjikoto Mine in Namibia also had another solid year in 2020, producing 168,041 ounces of gold, near the midpoint of its guidance range (of between 165,000

B2Gold Reports Strong Q4 2020 Total Gold Production of

Jan 20, 2021· Otjikoto Gold Mine Namibia The Otjikoto Mine in Namibia also had another solid year in 2020, producing 168,041 ounces of gold, near the midpoint of its guidance range (of between 165,000

minevik to supply a crushing and International Mining

The new Otjikoto gold project is located 300 km north of Windoek. The open pit has reserves of 29.4 Mt with an average gold grade of 1.42 g/t and an estimated gold reserve of over 1.34 Moz. The mine will use leaching and carbon-in-pulp gold processing methods.

Otjikoto gold mine Report | Wood Mackenzie

Otjikoto is an open pit operation that utilises conventional drill, blast, load and haul mining methods. The process plant comprises single stage crushing using a gyratory crusher, grinding in a SAG and ball mill, a gravity concentration circuit consisting of four Knelson concentrator units operated in parallel, a cyanide leach circuit and carbon in pulp (CIP) circuit.

Design of the Otjikoto Gold Mill, Namibia | SpringerLink

Oct 30, 2020· The Otjikoto Gold Mine in the Republic of Namibia is located approximately 300 kilometers north of the capital city of Windhoek. The project features surface mining with a modern gravity/carbon-in-pulp mill for ore treatment and recovery of gold. Initial mill design capacity was 2.5 million tonne per annum but then expanded after 9 months of operation to 3.1 million tonne per annum.

This New Gold Mining Method Made My Profits Soar Open

Sep 25, 2019· Welcome back to Gold Rush The Game. Today I wanted to try a different mining method by digging all the way down to bedrock then using my front-end loader to

作者: Drae

ball mill b2gold otjikoto gold mine site on schedule

Mar 10, 2015· NAMIBIA Vancouver-based B2Gold Corp has reached commercial production at its open pit Otjikoto gold mine ahead of schedule at the end of February 2015The company says the ramp up continues ahead of budget, as well The mine, located 300 km south of Windhoek, poured its first gold on Dec 11, 2014, a week ahead of schedule

Basics of open pit mining

Free Download PDF: https://easy4downloader.blogspot/2019/09/design-of-open-pit-mining.htmlFor more visit: http://miningpresentations.blogspot/Free r...

An Overview of the Open Pit Mining Process

Mar 02, 2016· Open-pit mining which is sometimes referred to as open cut mining, opencast mining or simply strip mining is a mining technique that extracts important minerals from a borrow or an open pit. There are two types of mining methods commonly used in large scale mineral mining; open pit mining and tunneling. Open pit mining is []

Open Pit Mining Techniques|Surface Mines|Rock or Mineral

Open-pit Mining Open-pit mining, also known as opencast mining, open-cut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. The word is used to distinguish this type of mining from extractive methods

(PDF) Underground mining Methods ResearchGate

It is often done to continue mining after open pit mining becomes uneconomic or impossible . However , some mines start as block c ave operati ons (e.g., There are

The Mining Life: Open Pit vs. Underground MICROMINE

Aug 22, 2017· Working underground is usually a hot, noisy, humid, and dark business, but working in an open pit mine can expose workers to weather conditions, which can cause problems as well. Working in the mining industry in any capacity is hard work that demands exceptional concentration and talent in order to stay safe in the environment of heavy

RANKED: Top 10 lowest cost gold mines on the MINING.COM

Atlantic Gold’s Moose River open-pit mine is located in Nova Scotia that has a long history of gold mining. Commercial production was declared in March 2018, and in the first year production

Philippine court upholds open-pit mining ban in Mindanao

Oct 19, 2020· A court has upheld a ban on open-pit mining in the Philippine province of South Cotabato, home to the largest known untapped deposits of copper and gold in Southeast Asia.

Digging deeper: Mining methods explained | Anglo American

Open-pit is one of the most common mining methods used and starts from the earth's surface, maintaining exposure to the surface throughout the extraction period. The excavation usually has stepped sides to ensure the safety of the miners and a wide ramp where equipment can travel, allowing the product to be removed efficiently from the site.

[PDF]

1.1 PHASES OF A MINING PROJECT

descriptions of the most common methods. 1.1.3.1 Open-pit mining Open-pit mining is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit

Chapter 23 Guide: Minerals and Mining Flashcards | Quizlet

When a resource occurs in shallow horizontal deposits near the surface, the most effective mining method may be strip mining. During strip mining, layers of surface soil and rock are removed from large areas to expose the resource. After heavy machinery removes the soil and rock, the resource is extracted. Then, the soil and rock are replaced.

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