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. 10. Concordia plot of SHRIMP data for monazite from the matrix of mineralized magnetite breccias (sample UWA-B34) of the Igarapé Bahia Fe oxide Cu-Au-(U-REE) deposit. The weighted mean 207Pb/206Pb age of the main concordant cluster (unshaded), shown in the inset, is 2575 ± 12 Ma (MSWD = 1.19).
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