Not an answer, but I've thought the same thing! Valles Marineris is usually described as being a rift valley caused by the crust splitting. But for the most part it is very straight - with parallel straight valleys - and resembles a deep "scratch" as if some body or bodies have hit it at a very oblique angle, ploughed a furrow, before either leaving Mars or breaking up.
Is this possible?
The Mariana Trench is a convergent plate boundary.
Trenches such as the Peru-Chile trench are found at destructive (also known as convergent) subductive plate margins where the denser oceanic plate is being subducted beneath the lighter continental plate. Trenches are common at subduction zones.
Yes, Mariana's Trench is an active subduction zone.
Oceanic trench.
The Java Trench is the deepest trench in the world. It is located off the islands of Java and Sumatra in Indonesia.
trench
The Trench was created in 1999-05.
Tim Trench was created in 1968.
Sylvia Trench was created in 1962.
The Trench - film - was created on 1999-09-17.
Turtle Trench was created on 2012-01-27.
Ever After - Marianas Trench album - was created in 604.
Beside You - Marianas Trench song - was created in 2020-09.
Marianas Trench Marine National Monument was created in 2009.
Trenches are formed by divergent plates, Whereas Ridges are formed by plate in collision.
Cross My Heart - Marianas Trench song - was created in 2008-12.
Trenches are formed by divergent plates, Whereas Ridges are formed by plate in collision.