| 11. | Volcanoes on the Coastal Range and light rare earth elements.
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| 12. | Finding rare earth elements is only the first and some argue the easiest step.
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| 13. | The rare earth element contents are transitional between Planchon-Peteroa and Patagonia alkali basalt signatures.
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| 14. | The light rare earth elements LREE are also elevated but without an europium anomaly.
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| 15. | The secret lies in adding the rare earth element erbium to the glass fiber.
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| 16. | Light rare earth elements are highly concentrated, indicating that the magma is highly differentiated.
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| 17. | The normalization process is used mainly in spider diagrams for the rare earth elements.
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| 18. | At the Sorbonne, Matignon mostly worked on rare earth elements.
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| 19. | In the case of monazite, the rare earth elements are replaced by Ca and Th.
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| 20. | "' Lanthanites "'are a group of isostructural rare earth element ( REE ) carbonate minerals.
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