| http://www.w3.org/ns/prov#value | - However, due to the presence of niobium, zirconium and other REEs, it is likely that this intrusion has been misidentified in the past....Rare earth elements (REE), which include minerals such as dysprosium, terbium, thulium, lutetium and yttrium, are widely used and indispensable in the fields of electronics, aviation, atomic energy, and mechanical manufacturing.
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