Onganja Mine
Helen Farm 235, Seeis, Windhoek Rural, Khomas Region, Namibia
Key Information
Do not enter mining areas without proper authorization.
The Onganja Mine is located in central Namibia, about 60 km from Windhoek, in the Khomas Region, known for its hilly terrain.
It is famous for copper minerals like cuprite and native copper, with other notable minerals including azurite and malachite.
The geological structure involves metamorphic rocks with quartz-calcite-copper-molybdenum veins, formed during ancient mountain-building events.
Mining history dates back to the 17th century, with active periods in the late 19th century and 1980s-1995; it is currently inactive.
The nearby settlement, Seeis, has a horse stud farm and historical ties to German colonization and local ethnic groups.
The climate is semi-arid, with hot days and little rainfall, supporting adapted flora and fauna.
Direct Answer
The Onganja Mine, located on Helen Farm 235 in Seeis, Windhoek Rural, Khomas Region, Namibia, is a fascinating site for mineral enthusiasts, offering a rich blend of history and geology. Here's a breakdown of what you can expect:
Location and Accessibility
Situated about 60-65 km northeast of Windhoek, the capital, the mine is in central Namibia, accessible via the B6 national road. It's part of the Khomas Region, known for its scenic hills and valleys, making it a convenient day trip from the city. Nearby, the small settlement of Seeis serves as a gateway, and it's close to other notable mining areas, adding to its regional significance.
Minerals and Attractions
The mine is renowned for its copper deposits, particularly cuprite and native copper, which are prized for their crystal quality. You'll also find azurite and malachite, adding vibrant colors to collections. Interestingly, the area has produced some of the world's finest cuprite crystals, making it a must-visit for collectors seeking unique specimens.
Geological Insights
Research suggests the mine lies within the Damara Belt, featuring metamorphic rocks like gneiss or schist, with mineral veins formed during ancient mountain-building processes. These quartz-calcite-copper-molybdenum veins offer a glimpse into the region's complex geological history, appealing to those fascinated by Earth's deep past.
Historical Context
Mining here dates back to the 17th century, with significant activity in the late 19th century and again from the 1980s to 1995, using heap-leaching methods. It's now inactive, but its historical role in copper extraction highlights its importance, especially for understanding past mining techniques.
Local Culture and Environment
Seeis, nearby, is known for its warmblood horse stud farm, a hub for equestrian enthusiasts, and has historical ties to German colonization and local Herero and Nama communities. The semi-arid climate, with hot days and minimal rainfall, supports a unique ecology of grasses and shrubs, offering a glimpse into Namibia's resilient natural world.
This locality combines geological wonder with cultural richness, making it an engaging destination for your mineral exploration.