~2.2 Ga ripple marks! A day in the life of the early Paleoproterozoic.

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Ripple marks

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Mudcracks

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Classic example of a dropstone. The laminated seds containing the dropstone are the Pecors Formation whereas the flat surface below is the top of the Ramsay Lake diamictite.

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Big clast (boulder!) in the Gowganda Formation

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Gowganda Formation diamictite

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Gowganda Formation

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These have been interpreted as varve deposits. Gowganda Formation

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12RMG036 (1)
12RMG036 (1)

Ramsay Lake Formation

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