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Interesting facts about copper slate
Copper shale can be found in several places in the valley. This rock layer is exposed along the nature trail. It was formed around 260 million years ago from the sediments of a tropical sea. The layer, which is approximately 40 cm thick, took over 50,000 years to form.
Copper shale is rich in metals such as copper, lead, zinc and silver. In some places, it also contains fossils, particularly fish. The ‘Mansfeld herring’, Palaeoniscus freieslebeni, is particularly well known; you can see it at the
NatUrzeitMuseum Bad Sachsa.
Further information on its formation, fossils and mining can be found on the information board on site.