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landforms

Reading the Rocks

Grand Canyon

One of the fun parts of geology is learning to read rocks. I don't mean reading words that people have painted or carved on them. Instead, I mean examining the rocks, looking at their minerals, structures, position, fossils, and other things to discover what they can tell us about the history of the Earth.

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In spite of my lingering vertigo, Nancy and I joined my sister and my niece for a quick trip to the Grand Canyon. The Grand Canyon cuts through many layers of rock, but the Coconino Sandstone is very different from the other layers. What makes it so different?

Sandforms

My photography has always tended towards patterns, so it should be no surprise that a lot of my beach photos lean that way. These are a few of the photos that I have taken on our recent beach walks.

It has been pretty windy lately, which always sculpts the dunes into marvelous shapes.

The waves make very similar patterns in the hard packed sand.

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