Categorized | Culture, Life

Illustration of geological time

The United States Geological Survey put out this illustration of geological time that is worth sharing.  It starts from nothing, and then spirals up showing the evolution of species and epochs.  It is today’s Wikimedia Commons Picture of the Day.  Click on it to make it huge and get more detail; it’s well worth it.  For instance, in the Devonian Period–right in the center of the picture–you can see a little amphibian starting to crawl out of the water:

Geological Time Spiral

Hey Andy Schlafly: like I said, the image is PD, so you can upload it to Conservapedia.

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This post was written by:

David Shankbone - who has written 384 posts on Shankbone.

David is a photographer and writer in New York City, and the editor of Shankbone.org.

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8 Responses to “Illustration of geological time”

  1. Eleanor says:

    What a gorgeous and interesting picture. Even more so when enlarged. Thanks for sharing. :)

  2. redincolorado says:

    Hogwash! Everyone knows that God created the Heavens and Earth in 6 days. Geesh!

    • Well, if you believe Conservapedia, that’s true:

      Young earth creationists believe that the earth is approximately 6,000 years old…. Though this view is controversial within the larger scientific community because most scientists don’t acknowledge the Bible as an historical authority. Despite this, many recent studies by creation scientists have corroborated geologic events with their Biblical accounts, such as the Great Flood, the destruction of Sodom and Gommorah, and the crossing of the Red Sea[13].

      My favorite part? The citation represented by the “[13]” takes you to the ultimate authority on geologic time….the San Francisco Bath Salts Company!

  3. Eleanor says:

    But how is a ‘day’ defined? Perhaps not as it is now. Could be many millenia,even eons, so that could work too.

    The blue got me too. My favorite color.

  4. Yes, the two blues, combined with that auburn color for the animals and the color I can’t describe for all the plants. Really, a nice symphony. I might try to contact them to find out who chose the scheme.

  5. Lena says:

    The ultimate authority on geological time is very appropriate! :) The shades of blue are very…”green”. Remind me of geography lessons in school (when all was peaceful).

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