MBM was established in Peru in and has been dedicated to the production and sales of gold. It also supports related activities such as exploration, development, mining and processing. The company began operations in and currently operates two mines: Pierina and Lagunas Norte; it owns the deposits of Irene I It is also the second largest national gold producer, with a participation of The company is currently listed on the Lima Stock Exchange. Headquarters Av.
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Lagunas Norte differs from many other large high- sulphidation epithermal gold deposits of the Andes in that a majority of the known resource is contained within Cretaceous siliciclastic sedimentary rocks, and a relatively small portion is within the Tertiary volcanic sequence that is the primary host elsewhere e. The Lagunas Norte mineralization occurs in the southeast portion of the Alto Chicama property.
The mineralization is finely disseminated and is hosted mostly by siliclastic sedimentary strata. The mineralization within the present pit extends for approximately two kilometres in the north-northwest direction by approximately two kilometres in the east-northeast direction and for more than m vertically. Mineralization is the result of multiple volcanic and hydrothermal events. Trace elements typically associated with these deposits include copper, arsenic, barium, bismuth, zinc, lead, and variable amounts of mercury Silberman and Berger, The deposit has very low concentrations of carbonate minerals or other potentially acid neutralizing minerals.
There are both stratigraphic and structural controls on the mineralization. Mineralizing fluids ascended along the main fault systems and migrated laterally along stratigraphic contacts in both the sedimentary and volcanic rocks. At least two stages of sulphide mineralization are recognized.
Supergene oxidation has altered a large part of the sulphide assemblage to iron oxides and, to a lesser extent, sulphates. The extent of this oxidation ranges from a few metres to more than m below surface.
The gold grade times thickness contours clearly show the Lagunas Norte deposit is approximately two kilometres by one kilometre wide. A fleet of large diesel powered blast hole rigs are employed for production drilling of blast patterns.
Pit Dimensions: 2. The recovery process used at Lagunas Norte is a two-stage conventional crushing circuit, followed by heap leaching, and a Merrill Crowe zinc cementation plant and CIC for recovery of the precious metals. The major components of the process are primary crushing, secondary crushing, heap leaching, recovery plant, refinery, and water discharge treatment plant. The crushing circuit was originally designed to crush 42, tpd, but the capacity is permitted to 63, tpd. Historically, it was determined that the gold recovery from heap leaching at Lagunas Norte is not overly dependent on crush size, so the size has been increased over time to allow more material to be processed through the crushing circuit.
The crushed ore is conveyed to a 2, tonne live capacity stockpile, from which it is fed to the secondary crushers. From the secondary crusher, the ore is loaded into haul trucks that transport it to the leach pad. Lime is added to the trucks to raise the pH of the leach sol Production :.
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Mines with remote camps. Camp size, mine location and contacts. A list of country's mines and projects. Thank you for browsing through mine profiles compiled by the Mining Data Online team. Would you like to subcribe or schedule a Demo? Source: p. MBM , a wholly-owned Peruvian subsidiary of Barrick. Deposit Type. Mining Methods. Processing Technologies. Flow Sheet:. Commodity Units Gold koz Metrics Total tonnes mined Waste tonnes Reserves at December 31, Commodity Production Costs:.
Heavy Mobile Equipment:. Date Backhoe Job Title Name Profile Ref. Apr 2, Document Year Aerial view:. Forgot your password? Gold Silver. Barrick Gold Corp. Minera Barrick Misquichilca S. Cash costs. All-in sustaining costs AISC. All-in costs. Sustaining costs. Capital expenditures. Dozer crawler. Dozer rubber tire. Truck haul. Truck water. Quarterly Report. Press Release. Technical Report. Annual Report.
Minera Barrick Misquichilca S.A.
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Minera Barrick Misquichilca S.A. (Minera Barrick Misquichilca (MBM))
The net proceeds from this offering will be used to partially fund the construction of Barrick's Lagunas Norte Project located in the Alto Chicama district. Lagunas Norte is expected to be the second of Barrick's new generation of mines that will contribute to the targeted 40 percent increase in its production profile by Tulawaka in Tanzania commenced production on March 15, The sale of the bonds is under MBM's shelf prospectus that allows for the issuance of debt securities in an aggregate amount up to U.