Iberia Rifting

Front 1

Mechanisms to thin the lithosphere is about

Back 1

how displacement of normal faults does not correlate to the amount of extension inferred

Front 2

Crustal thinning and extension is accomplished by

Back 2

concave downward faults accumulate major amounts of extension, and form a thin crust by exhumation

Front 3

An essential part of the model is

Back 3

Initial decoupling of upper crust from lower crustal and mantle deformation

Front 4

This decoupling is a result of

Back 4

weakening of the middle crust because of weak ductile shear zones

Front 5

Serepentinization weakens the lithosphere and allows it to

Back 5

act plastically

Front 6

Weakening the middle crust minimizes the force needed to

Back 6

bend it by decoupling them during rifting

Front 7

Crustal thinning in a hyper extended rifted margin is about

Back 7

How the crust thins, and what controls extreme crustal thinning and exhumation

Front 8

The crust is thinned by

Back 8

mid-crustal weakening and serpentinization of the lithosphere

Front 9

Initial rheology and strain rate are the

Back 9

functions of the architecture produced from crustal thinning

Front 10

Ratio between brittle and ductile layers in the crust before rifting controls the

Back 10

extension width and total amount of extension

Front 11

Total amount of extension is dependent on

Back 11

thermal, structural and compositional conditions of the crust

Front 12

Coupled brittle phases is consistent along the margin, but

Back 12

decoupled extension varies in width and total extension