Cenozoic intracontinental dextral motion in the Okhotsk-Japan Sea region, Tectonics

• Main Authors: Laurent Jolivet, Marc Fournier, Vitali S. Rozhdestvenskiy, Konstantin F. Sergeyev, Leonid S. Oscorbin
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 1992
• Subjects: Okhotsk; Sakhalin
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.635.3224; http://hal-ens.archives-ouvertes.fr/docs/00/72/66/00/PDF/92TC00337.pdf

Abstract. A right-lateral shear zone trending northerly along more than 2000 km is recognized from central Japan to northern Sakhalin. It was active mainly during the Neogene and has accommodated several hundreds ofkilometers of displacement. The whole structure of Sakhalin is built on this shear zone. En 6chelon sigmoidal folds and thrusts, en 6chelon arrow Miocene basins, and a major discontinuity which is observed along more than 600 km, the Tym-Poronaisk fault, characterize the deformation there. In Hokkaido, en {5chelon folds and thrusts and a ductile shear zone with high-temperature metamorphism constitute the southern extension of this transpressional shear zone. It continues to the south as a zone of transtensional