Nature Photos
Historic and Physical Geology

Ripple Rock
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Sedimentary rock - Indication of historic sand dune, beach or stream bottom.
The symetrical nature of the ripples indicates that the current moved back and forth
rather than continously in one direction. The ripples are symmetrical, with shary
or slightly rounded ridges separated by more gently rounded troughs.
(Reference - Physical Geology - Leet and Judson/ third edition)

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Ripple Rock
Waterton Lakes National Park
2006/09/05
Photo by
Ripple Rock
Sedimentary
On the Moraine at Moraine Lake
Banff National Park
2004/08/19
Page 1

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