Fungi and bacteria deposit metal ions on steel objects left behind by miners. These metals form strange clam-like shells on the steel surfaces.
mining
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Miners Left a Pollution Trail in the Great Lakes 6000 Years Ago
Scientists find evidence of ancient copper mining in polluted lake sediments from Isle Royale National Park.
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Greenland Premier Calls for Balanced Development of Natural Resources
With Greenland confronting environmental and economic challenges, Premier Aleqa Hammond has called for developing natural resources while protecting the environment and dealing with climate change.