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The reef core of the Ediacaran Salient Platform is spectacularly exposed atop the Interbedded Succession of the Upper Miette Group on the east face of Mount Machray as viewed from Salient Mountain, British Columbia.
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Microbialitic metadolomite in the Paleoproterozoic (~2.05 Ga) Nash Fork formation, “valley of the stromatolites”, Medicine Bow Mountains, Wyoming.
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The Ignacio Quartzite (of contested age, though likely Cambrian) unconformably overlies the Mesoproterozoic (1.433 Ga) Eolus Granite in the Needle Mountains, Colorado.
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The East Rackla River valley viewed from the north, looking towards Mount Mervyn. The Dawson Thrust runs parallel to the river valley.
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The K-Pg boundary claystone (lower pencil) just below the IrZ tonstein (upper pencil) within the IrZ coal at Herpejunk, Hell Creek, Montana
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