Abstract
Rift valleys are formed along high and strongly elongated uplifts on the continents, which are underlain by a low-velocity mantle of high temperature. Tensile stresses of high magnitude appear in the lithosphere of such regions. High heat flow from the low-velocity mantle strongly decreases the viscosity of the lower crust. Ductile extension arises in this layer, reducing its thickness. This results in faulting and subsidence of the overlying upper crust, producing a deep elongated depression or rift valley on the earth's surface.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
