Ma conosci google books?
http://books.google.it/books?id=q0cUMA5dEBEC&dq=Thrust+geology&source=gbs_navlinks_s
http://books.google.it/books?id=ycASqdxS...ogy&f=false
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Il libro che devi cercare in biblioteca potrebbe essere questo:
http://sp.lyellcollection.org/content/vol9/issue1/
Geological Society, London, Special Publications; 1981; v. 9; p. 7-9;
DOI: 10.1144/GSL.SP.1981.009.01.02
© 1981 Geological Society of London
Che contine l'articolo
What is a Thrust? What is a Nappe?
J. G. Dennis, R. A. Price, J. K. Sales, R. Hatcher, A. W. Bally, W. J. Perry, H. P. Laubscher, R. E. Williams, D. Elliott, D. K. Norris, D. W. Hutton, T. Emmett & K. R. McClay

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Potresti forse dare un'occhiata a wikipedia.
http://en.wikipedia.org/wiki/Thrust_fault
Ti confesso che però ho solo delle vaghe reminescenze, quindi attendi qualche conferma.

The definitions of thrusts and nappes are discussed and the criteria used to define these structures are analysed. A ‘thrust fault’ is defined as a map-scale contraction fault. A ‘thrust nappe’ is an allochthonous tectonic sheet which has moved along a thrust fault. Suggested definitions are also given for, a fold nappe; extension fault; contraction fault; listric normal fault; reverse listric fault; klippe; tectonic slide; ramps and flats; duplex structure; blind thrusts.
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Ultima modifica di massimo trossero; 06/09/2010 20:10.

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