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Fig. 12
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Images showing different outcrops, samples, and various in situ analyses. (a, b) Mn-Fe bearing rocks in Namibia. (c) BIF core from Australia. (d) Portable XRF instrument for in situ major element analysis. (e, f) Kappameters KM7 and G-857 for magnetic susceptibility measurements. See Appendix B for coordinates.
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