[HN Gopher] Theory suggests blobs of material in Earth's mantle ...
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       Theory suggests blobs of material in Earth's mantle are remnants of
       protoplanet
        
       Author : Hooke
       Score  : 16 points
       Date   : 2021-04-01 17:19 UTC (1 days ago)
        
 (HTM) web link (phys.org)
 (TXT) w3m dump (phys.org)
        
       | gus_massa wrote:
       | It's very weird for someone like me that does not work in geology
       | [1], but apparently it is quite well documented
       | https://en.wikipedia.org/wiki/Large_low-shear-velocity_provi...
       | It has an animation that is very nice to understand the location
       | and size.
       | 
       | [1] Relevant xkcd: https://xkcd.com/2058/
        
       | youdonotknowme wrote:
       | A numerical model like this is cool, but personally I think it
       | can never be proved. How to prove or dis-prove geological
       | theories about the detailed earth evolution on the scale of
       | millions to billions of years is a big challenge.
        
       | darig wrote:
       | Pretty sure it's Godzilla.
        
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       (page generated 2021-04-02 23:01 UTC)