Talk:Thrust fault
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Edited to include:
Redefinition. A thrust isn't just where 'a rock is moved up relarttive to another rock; it is older over younger. Thats what makes it a thrust! A normal fault sees a rock moved up relative to the other rock; the younger rock.
Duplexes. These are important. Few understand them, but that doesn't mean you should edit out what you don't understand. Duplexes are right bastards to recognise, but they are probably heavily under-reported because its much easier to ignore the simple mechanical sense of duplexing: less energy spent stacking. Anyway, just a personal bugbear.
Added the bit about the Moine because I heard it via the Livejournal Geology community. Also added a bit about ramp-flats, to parallel the section in geologic fault.
Finally, thrusting usually occurs within units, which was missing before this edit. The difference between a reverse fault and a thrust was added based on this principle. Not all reverse faults are thrusts, and its not as simple as the angle, because of the fact of rotation after the fact, nor "steepness" because thrusts very, very rarely are completely planar in any of the three dimensions. See ramp and flat, for instance.
Rolinator 15:56, 25 January 2006 (UTC)
I had a feeling from my undergrad course that the geologists in the Alps worked out thrusts first but it seems like it was more neck-and-neck, Rob Butlers webpage is really useful on the history.
Duplexes - I would prefer to see this title as Thrust Duplexes to distinguish it from extensional and strike-slip duplexes, which have both been described, although I don't much like the term used in that way myself.
Mikenorton 23:18, 13 October 2006 (UTC)
[edit] History: Bernard or Bertrand?
The "History" section mentions "Escher, Heim and Bernard". Shouldn't "Bernard" rather be "Bertrand" (Marcel Alexandre Bertrand, 1847-1907)? 71.141.118.221 (talk) 00:25, 26 January 2008 (UTC)
