| Abstract: | L‐tectonite is the deformed rock characterized by extremely developed lineation and weaker foliation. From the geometric, Flinn (1965) believed that a contracting rheological field may be a necessary condition for the development of L‐tectonite. In an ideal contracting field, only the maximum principal strain axis was stretching, and the other two principal strain axes were equally shortened. Obviously, this field is an end‐member solution in maths, and is difficult to be observed in nature. Sullivan (2013) summarized the possible tectonic settings in which a contracting field might develop and considered that the most likely contracting field would develop in macroscopic region of the orogenic belt. However, the appearance of L‐tectonites in nature is not widespread but often isolated. The previous analysis of the development mechanism of L‐tectonites still were focused on strain geometry and lacks of rock rheological mechanism. |
