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  • We had extensive ice in the ordovician, but not universal; even some of the high temperate zoens were not iced.

    A few inconvenient truths « Climate Audit

  • As an instructor there I was personally given clear verbal instructions by my supervisor not to talk about the age of the ordovician limestones and sandstones that we walked on during hikes… I was told by the administration I could say only they are “very very old”.

    "How Old Is It?" - The Panda's Thumb


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