Atlantis Online
June 25, 2022, 05:38:58 pm
Welcome, Guest. Please login or register.

Login with username, password and session length
News: Remains of ancient civilisation discovered on the bottom of a lake
  Home Help Arcade Gallery Links Staff List Calendar Login Register  


Pages: [1]   Go Down
Author Topic: Subduction  (Read 555 times)
Superhero Member
Posts: 2633

« on: August 01, 2008, 12:46:22 am »

Theory on origin

There have been some recent theories on the beginnings of subduction and Plate tectonics generally. A recent paper by V.L. Hansen in Geology presented a hypothesis that mantle upwelling and similar thermal processes combined with an impact from an extraterrestrial source would give the early earth the discontinuities in the crust for the subduction of the denser material underneath lighter material.
Report Spam   Logged

Pages: [1]   Go Up
Jump to:  

Powered by EzPortal
Bookmark this site! | Upgrade This Forum
SMF For Free - Create your own Forum
Powered by SMF | SMF © 2016, Simple Machines
Privacy Policy