Much of our modern technology relies on the use of rare earth elements (REEs), and a key to finding more of them is to understand the processes that concentrate them in the Earth’s crust. In the ancient Bergslagen ore province of central Sweden lies a zone of Bastnäs-type rare earth element deposits, and in a new study, scientists from Uppsala University and the Geological Survey of Sweden (SGU) show how these deposits originally formed.
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Source: Phys.org