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Amounts of crustal stretching in Valles Marineris, Mars by Daniel Mège; Philippe Masson is a Physics and Astronomy article available to read on EtoBox.
What is Amounts of crustal stretching in Valles Marineris, Mars about?
Terrestrial grabens and continental rifts are compared with the Valles Marineris system, in order to define the mechanisms which could be responsible for its geometry and formation. Simple shear/pure shear mechanisms, symmetric/asymmetric grabens and faults, high/low dip angles, block tilting/no block tilting, shouldering or not. lithospheric layering, and amount of sedimentation on chasma floors are discussed. Amounts of stretching on several transverse topographic profiles are then calculated. assuming either block tilting or no block tilting. On each profile initial dip angles ranging from 40 to 90 . and sediment thicknesses ranging from 0 to 3 km are considered, as well as symmetric and asymmetric border fault dips. The case of Ius Chasma, the southwestern trough of the Valles Marineris system. is first considered, then the entire graben system. Considering a constant 660 km profile length, stretching increases eastward in lus Chasma from the Noctis Labyrinthus boundary (stretching factor /I = 1.01~1.02, assuming initial 60 dipping faults) to the middle part of this trough (/I = 1.04-I .06). Then Ius Chasma stretching decreases, but is partly taken over by stretching in Candor
Who reads Amounts of crustal stretching in Valles Marineris, Mars?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Daniel Mège; Philippe Masson
- Publisher
- Elsevier BV
- Published
- 1996
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)