Dr. David Keighley Department of Earth Sciences University of New Brunswick, Fredericton

New Brunswick Museum
New Brunswick Museum
2012
Sussex, New Brunswick, CANADA
Norton, New Brunswick, CANADA
© 2013, New Brunswick Museum. All Rights Reserved.


Transcript

So we have travelled a few kilometers east along Highway 1, and that’s equivalent to travelling from the river floodplain to the lakeshore. And the evidence of the lakeshore is here, and the presence of wave ripples. Now this is a top surface. The rocks have all been tilted since they were first deposited on a lakeshore.

Sometimes the lakes…[traffic noise].. Sometimes the lakes had a sandy shore, which then had wave ripples on them. Other times the shoreline was very muddy and very quiet water, and that water occasionally dried out, and then the mud dried out, forming a lot of these desiccation cracks.


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