A layer of volcanic ash called Millbrig bentonite in the Bobcaygeon limestone allows water seepage and ice formations at - 20 C. The ash has been dated at 453 million years old and is found all over eastern and central USA. Imagine such an erruption of volcanic ash today. Earth was 90 % of its present age then. Yellowstone in the USA has the potential to do this.

  1. Canada
  2. Ontario
  3. Lennox and Addington
A layer of volcanic ash called Millbrig bentonite in the Bobcaygeon limestone allows water seepage and ice formations at - 20 C. The ash has been dated at 453 million years old and is found all over eastern and central USA. Imagine such an erruption of volcanic ash today. Earth was 90 % of its present age then. Yellowstone in the USA has the potential to do this.

Highway 401

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