Economic Geology; January 2005; v. 100; no. 1;
p. 7-28; DOI: 10.2113/100.1.0007
© Society of Economic Geologists
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FIG. 5. Representative rare earth element (REE) distribution patterns for host rocks and mineralized breccias from the Igarapé Bahia Fe oxide Cu-Au-(U-REE) deposit, showing the extreme low REE enrichment of the breccia ores and surrounding volcanic rocks. Chondrite values are from Evensen et al. (1978).
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