Economic Geology; January 2005; v. 100; no. 1;
p. 29-41; DOI: 10.2113/100.1.0029
© Society of Economic Geologists
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FIG. 6. Concordia diagram showing U-Pb data for zircons from the south Setting Lake ultramafic intrusion. The error ellipses reflect two sigma errors and the corresponding alphanumeric designations refer to fractions listed in Table 2. Reference chord (dashed line) is shown, anchored at 1880 Ma. See text for discussion.
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