Cold Enough to Freeze Tar Sands?

I have no idea at what temperature tar sands freezes, or least becomes so frost bound that it approximates rock, but one would think -40 F or so would at least get you near a point of nascent semi-solidity. Here is the current temperate gradient in the U.S. and parts of Canada. Check that little nub of dark purple sneaking in from the Edmonton area — you’re looking at -40F or so, the temperature at which Celsius and Fahrenheit are the same face-freezing pain. (To add insult to deep-tissue injury, the current wind chill in the area takes things all the way down to -45 or so.)

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Related posts:

  1. Alberta Tar Sands From Space
  2. The Fed Freeze Factor
  3. Be Cool
  4. Gladwell on Serial Killers and Cold Reading
  5. Central Air and Schrodinger’s Thermostat