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52.1 Banded iron formation breccia. Dickinson County, Michigan.  Layers and fragments of gray magnetite-hematite-rich banded iron formation are cemented by hematite cement. [Scale shows cm divisions.]
52.1 Banded iron formation breccia. Dickinson County, Michigan. Layers and fragments of gray magnetite-hematite-rich banded iron formation are cemented by hematite cement. [Scale shows cm divisions.]

Image 105 of 156

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