Steinbruch Donnerkuhle, Limestone quarry in Hagen, Germany.
The Donnerkuhle quarry is a limestone extraction site near Hagen with extensive walls showing exposed stone layers and active mining work. Visitors can view the different geological layers and observe the current mining operations from designated vantage points.
Mining at Donnerkuhle started in the early 20th century and became crucial to Hagen's industrial growth. The operation developed into a major supplier of limestone for construction materials and chemical production over many decades.
The quarry functions as an educational site where visitors learn about geological processes through designated observation points and mineral collection areas.
The site has viewing platforms and information panels positioned for clear views of the ongoing work. There are also designated areas where visitors can search for fossils and engage with the geology directly.
The quarry walls contain limestone formations dating back about 370 million years to the Middle Devonian period. These ancient deposits were modified by mineral-rich solutions rising through geological faults, which altered their appearance and character.
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