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Home » Space/Science

Fossil water February 6, 2012 5:59 pm RobVG

Lake Vostok drilling complete: Earth’s oldest super-clean water system reached

  • "Pressure solution" Ice this thick weighs enough to depress the continental crust below it. However the interface between bedrock and glacier ... by podrock 2012-02-18 21:29:38
    • What about insulation? by RobVG 2012-02-19 12:18:27
    • I wonder why it's liquid? Is there some source of heat down there, or is there some other reason ... by ER 2012-02-06 18:15:01
      • Well, Antarctica does have an active volcano, so I wouldn't be surprised if geothermal heating is involved in 'warming' that lake's ... by Jeff-Wash 2012-02-10 01:38:14
        • Well, there's always radioactive isotopes. by alcaray 2012-02-07 22:26:10
          • Exothermic microbial action? n/t by RobVG 2012-02-07 19:35:03
            • Now that would be scary. A lot of bugs down there generating enough heat over thousands of years to ... by ER 2012-02-07 21:04:05
            • Maybe it has something do do with the lake sediment? Just a random guess. by VelociraptorBlade 2012-02-07 15:15:55
              • Looks like the lake might have existed before the glaciers by RobVG 2012-02-06 19:08:46
                • That's true, but you still think it would have frozen solid by now, unless there was some source of heat. ... by ER 2012-02-06 19:22:53
                  • Another thought. Doesn't water need impurities to freeze, the way steam needs small dust particles to form drops? by bowser 2012-02-06 20:14:27
                    • At STP, even the purest water will freeze. However, adding a solute, such as a salt (or a water soluble ... by ER 2012-02-06 21:17:52
                    • The Earth's core heat comes to the surface in a lot of places - volcanoes, hot springs, geysers. There's ... by bowser 2012-02-06 19:40:46

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