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Peru

Maranon Mine

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Summary

Mine TypeUnderground
StatusActive
Commodities
  • Gold
Mining Method
  • Cut & Fill
Backfill type ... Lock
Production Start... Lock
SnapshotThe Maranon Production Unit consists of the Maranon Plant and the Maranon Mine.

During 2024, the continuity of the Hilary vein was confirmed, reinforcing the prospects for expansion and exploitation of this area.

During 2024, explorations took place mostly in Veins Lola 1, Luz, Jimena, Valdivia, Choloque, Hilary, Pencas, Karola Techo and Consuelo.

Outlook (as at December 2024)
In the short term, Poderosa forecast a significant increase in the Marañon plant capacity.
Related AssetSanta Maria - Maranon Operation

Owners

SourceSource
CompanyInterestOwnership
Compañía Minera Poderosa S.A. 100 % Indirect
The Maranon mine is controlled by Compañía Minera Poderosa S.A.

Contractors

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Deposit type

  • Vein / narrow vein
  • Intrusion related
  • Hydrothermal

Summary:

The Maranon mine is located within the Marañón Valley gold (Au) belt.

The 160 km-long Marañón Valley Au belt, located in the Eastern Andean Cordillera of Peru, represents one of these continental arc-derived igneous belt that formed along the Peruvian margin of Gondwana in the Early to Middle Mississippian.

Magmatic-hydrothermal origin of gold mineralization in the Marañón Valley Au belt has been proposed by several authors (Macfarlane et al., 1999; Schreiber et al., 1990b; Sillitoe, 2010; Vidal et al., 1995). In a recent study, Witt et al. (2016) proposed an intrusion related model in the northern Pataz-Parcoy district, and envisaged the mineralized fluid to be derived from the magma chamber that was also a source for Carboniferous subvolcanic and volcanic rocks. Although the timing constrain of the intrusive rocks is well known, there is a significant lack of constraints on the timing emplacement of the subvolcanic and volcanic rocks along the Marañón Valley Au belt.

Mineralization in the Marañón Valley Au belt
Batholith-hosted gold mineralization in the Pataz-Parcoy district exhibits spectacular sulfide rich veins up to several meters wide and hundreds of meters long. The paragenetic sequence remains, however, controversial and mineral textures and chemistry of the sulfides-rich alteration mineral assemblage have not been assessed in detail.

Arsenic-rich sulfides, such as arsenian pyrite and arsenopyrite, carry gold in their lattice crystal structure (so-called invisible gold; Barker et al., 2009; Deditius et al., 2014; Fleet and Mumin, 1997; Fougerouse et al., 2016; Mumin et al., 1994; Palenik et al., 2004; Reich et al., 2005) and are common in the ore mineral assemblage in the batholith-hosted veins from the Marañón Valley Au belt.

Mining Methods

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Heavy Mobile Equipment

Fleet data has not been reported.

Comminution

Crushers and Mills

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Processing

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Commodity Production

CommodityUnits20232022202120202019
Gold oz  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe36,790
All production numbers are expressed as metal in doré.

Operational metrics

Metrics2025202420232022202120202019
Ore tonnes mined  ....  Subscribe  ....  Subscribe  ....  Subscribe
Daily processing capacity  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe800 t
Tonnes processed  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe  ....  Subscribe74,970 t
^ Guidance / Forecast.

Production Costs

Commodity production costs have not been reported.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 21, 2026
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Workforce

Aerial view:

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