boudinage

plural boudinages

1. countableuncountablegeographyA process in which a more competent layer is broken into sausage-shaped pieces as less competent layers surrounding it are deformed.

   Extreme attenuation and extensive chocolate-tablet boudinage of the plutonic complex that forms the uppermost Valley Spring domain occurred as the result of shortening perpendicular to S2 and extension parallel to it.

   2004, Richard P. Tollo, Proterozoic Tectonic Evolution of the Grenville Orogen in North America, Geological Society of America, →ISBN, page 789

2. countableuncountableSynonym of boudin (“a sausage-shaped structure formed by this process”).

   The shaly host is usually elongate, lensoid, xenolith-like boudinages in the phyllitic country rocks. The boudinages are mostly rounded to oval, though elongate tongue like shapes are also common, and are characterized by […]

   1984, Geological Bulletin, University of Peshawar

   Synonyms: boudin