12/03/2025
⭐️⭐️GOLD MINERAL⭐️⭐️
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Gold (Au) is a naturally occurring metallic element belonging to the periodic table's transition metal group. It is a highly dense, soft, and malleable metal with excellent resistance to corrosion and oxidation. Gold has a distinctive yellow 🌟color and high reflectivity, making it valuable for various industrial, economic, and ornamental purposes. It is known as one of the most valued metals in human history. Some uses include investment assets (currency), jewelry, technology, electronics, medicine, electricity, and aerospace applications.
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of Liberia’s Gold Deposits and Geological Context
Liberia's 🇱🇷 gold deposits are largely associated with Archean and Paleoproterozoic terranes, particularly the Birimian series, which spans approximately 36% of the country. These geological formations have undergone significant orogenic processes, creating favorable conditions for gold mineralization. Liberia’s geological setting provides substantial potential for both large-scale commercial mining and small-scale artisanal operations, making gold a critical component of the country’s mining economy (A review of the mineral potential of Liberia - ScienceDirect).
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Types of Gold Deposits in Liberia
✅ Archean Greenstone Belt Deposits:
Gold is commonly found in greenstone belt lithologies within Archean-aged rocks. These deposits include quartz veins, breccia zones, and disseminated mineralization, often extending 10-20 meters wide and over a kilometer in strike length.
✅ Hydrothermal and Orogenic Gold Deposits: Hydrothermal fluids moving through faults and shear zones have resulted in gold-rich quartz-carbonate veins within metamorphic rocks. Most of Liberia’s gold deposits are classified as orogenic, formed due to continental collisions and crustal deformation.
✅ Placer and Alluvial Deposits:
Extensive weathering and erosion of primary gold sources have generated placer (secondary) gold deposits in riverbeds and floodplains. These have been a key target for artisanal miners who extract gold using simple, traditional mining methods.
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Occurrence and Major Deposits in Liberia
There is a long history of artisanal gold mining in Liberia from alluvial placers, with production peaking at more than 30,000 oz per annum in the 1940s. Between 2010 and 2015, annual production was estimated at 18,500 oz per annum (BGS, 2017). Nearly 600 gold occurrences were recorded by the USGS in Liberia, with gold placer deposits accounting for almost 80% of the total (Wahl, 2007). Gold remains the focus of most mineral exploration activity in Liberia today, with current licenses widely distributed over both the Archean and Proterozoic terranes, focused on major regional shear zones and belts of known alluvial gold.
picture below shows the gold potential of Liberia 🇱🇷
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Historical Gold Mines in Liberia
✅ The Mining Company of Liberia (1869):
Established by Liberians following explorer Benjamin J.K. Anderson's return from the interior. This company was granted a concession in the same year, marking one of the earliest organized mining efforts in the country.
✅ Union Mining Company (1881): The Mining Company of Liberia transformed into the Union Mining Company, an English-owned entity that operated alongside sixteen Liberians, including several government officials. This period marked the beginning of more structured mining operations in Liberia.
✅ Gondoja-Ndablama District (1970s): Identified as one of the most productive gold districts in western Liberia during the 1970s, contributing notably to the country's economy before the civil wars.
✅ Kongba Community Gold Mines Ltd. (1970s):
Located in Gbarpolu County, this company operated during the 1970s in one of Liberia's productive gold districts.
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Gold-Rich Regions and Significant Deposits
✅ Grand Cape Mount County: Home to the New Liberty Gold Mine, Liberia's first and largest commercial gold mine, operated by Avesoro Resources. The company encompasses 5 mining sites, with 4 open pits, 6 underground mines, and a large processing plant.
▪️Underground Operations: 3,291,926 t @ 3.08 Au, delivering 326 Koz.
▪️Open-Pit Operations: 133,526 t @ 0.80 Au (Total Excavated: 3,003,077 BCM).
▪️HL Stockpile for Operational Continuity: 4,824,001 t @ 0.45 Au.
▪️Process Plant Feed: 4,054,664 t @ 2.95 Au.
▪️Recovery Rate: 94.39%.
▪️Total Gold Production: 363,407 ounces – an all-time record!
✅ Sinoe County: Location of the Dugbe Gold Project, one of the largest gold projects in the country, comprising the Tuzon and Dugbe F gold deposits. Spanning 2,559 km², this open-pit mining project is under development by Pasofino Gold Limited.
✅ Gbarpolu County: Known for its fertile gold mining areas, including the Gondoja-Ndablama belt, an emerging gold district with promising mineralization.
✅ B**g County: Site of the Kokoya Gold Mine, a small-scale commercial mine operated by MNG Gold.
✅ Lofa County: Hosts historical artisanal mining sites with ongoing exploration activities.
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