RT Journal Article
T1 General transpression and transtension
T2 Transpresión y transtensión generales
A1 Fernández, Carlos
A1 Díaz Azpiroz, Manuel
A1 Alonso-Henar, Jorge
K1 Triclinic transpression
K1 Triclinic transtension
K1 General coaxial flow component
K1 L-tectonites
K1 S-tectonites
K1 SL-tectonites
AB In this work, a triclinic transpression and transtension model is presented in which the coaxial part of the flow is general, including both constriction and flattening as well as pure shear. The results show that, for both transtension and transpression, the different combinations of the variables that control the model allow obtaining finite strain ellipsoids in all fields of the deformation diagram, including prolate and oblate ellipsoids. It is mainly the ζ angle between the simple-shearing direction and the extrusion (transpression) or sinking (transtension) direction, together with the value of the vorticity, and the characteristics of the coaxial part of the flow, which controls the shape of the finite strain ellipsoid in each case. The orientations of the principal axes (X, Y, Z) of the finite strain ellipsoids show a wide variation, also dependent on ζ. The model has been applied to natural examples, improving the knowledge of their kinematic evolution and tectonic interpretation.
PB Elsevier
YR 2025
FD 2025-11-15
LK https://hdl.handle.net/10433/25718
UL https://hdl.handle.net/10433/25718
LA en
NO Carlos Fernández, Manuel Díaz Azpiroz, Jorge Alonso-Henar, General transpression and transtension, Journal of Structural Geology, Volume 200, 2025, 105537, ISSN 0191-8141, https://doi.org/10.1016/j.jsg.2025.105537
NO Financiado por PID2024-59481NB-I00
NO Universidad Pablo de Olavide. Departamento de Sistemas Físicos, Químicos y Naturales
NO Universidad Complutense de Madrid. Departamento de Geodinámica, Estratigrafía y Paleontología
DS RIO
RD May 8, 2026