Happy Anniversary Plate Tectonics!

5 Dec

Fifty years ago, the ideas of plate tectonics crashed into the earth science arena. First proposed in the early 1900’s by Alfred Wegener, the hypothesis that continents drifted around the planet like floating icebergs was naysayed. He could not explain how or why.

In 1967, while many of us were wearing flowers in our hair and inciting a revolution, Dan McKenzie and his colleague Bob Parker at Scripps Institute in California (and independently, Jason Morgan at Princeton Univsersity) put together pieces of the puzzle and described how plates move and continents drift. They started their own revolution.

Geology was changed, like a volcano erupting in the field. Not only does geological evidence confirm plate tectonics, but also biological. Fossils of some species of plants and animals are located within specific areas on continents where they adjoined each other. Those continents are now separated by thousands of miles of ocean.

Plate tectonics and continental drift have awed me since I was a child. I have no idea why, except that they are like a memory of deep time. And seeing examples and remnants of plate tectonics and continental drift is like looking at old family photos. I’m captivated.

In honor of the anniversary of plate tectonics theory, follow the link to a poem I wrote years ago. Ode to Plate Tectonics.  Meanwhile, enjoy your daily ride on your continental plate.

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