Native Americans conducted large-scale copper mining 6,000 years ago near Lake Superior
Feb 14, 2023 11:19AM ● By Content Editor
Photo: National Park Service
By Sarah Derouin - February 2023 Scientific American Issue
For a recent study in Anthropocene, the researchers examined sediments from two small inland lakes near ancient mines on Lake Superior’s isolated Isle Royale in Michigan. Such sediments are affected by annual changes and thus act a little like tree rings. Each layer is a snapshot of what happened in a given year, including weather events, wildfires—and pollution.
To read the full story, visit the Scientific American site here.
By Sarah Derouin - February 2023 Scientific American Issue
For a recent study in Anthropocene, the researchers examined sediments from two small inland lakes near ancient mines on Lake Superior’s isolated Isle Royale in Michigan. Such sediments are affected by annual changes and thus act a little like tree rings. Each layer is a snapshot of what happened in a given year, including weather events, wildfires—and pollution.
To read the full story, visit the Scientific American site here.
