Tag Archives: Arthur Holmes

Going on Four (Billion)

Posted on September 4, 2016 by Ron Miksha

A paper published last week in Nature, claims that life began at 3.7 (billion years ago). This is the latest in a rather faltering progression of our best guesses of the date life started on Earth. Biblical literalists are still … Continue reading →

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Wegener’s Death and Drift’s Hiatus

Posted on February 7, 2016 by Ron Miksha

Over the past few days, I’ve written about Alfred Wegener’s continental drift theory, which is celebrating its 100th year as a spunky idea that explains a lot of our geology. From mountains to earthquakes and deep sea rifts to island … Continue reading →

Posted in Biography, Culture, Exploration, Geology, People, Plate Tectonics | Tagged , , , , , , , , | 10 Comments

The Billion Year Discovery

Posted on September 16, 2014 by Ron Miksha

About a century ago, a college student figured out that the Earth has rocks over a billion years old. Until Arthur Holmes’ experiments at Imperial College in London, geologists could only guess at the age of various rock formations. Geologist … Continue reading →

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