The bending, tilting, and breaking of Earth's crust.
A condition of gravitational and buoyant equilibrium between Earth's lithosphere and asthenosphere.
What happens to a mountain when isostasy raises it up.
A process in which the deposited material from an ocean/river causes the ocean floor to sink by isostasy.
The amount of force that is exerted on each unit of area.
The type of stress thar squeezes and shortens a body.
The stress that stretches and pulls a body apart.
A stress that distorts a body by pushing parts of a body in opposite directions.
Any change in the shape or volume of a rock that results from stress.
An adjective used to describe materials that respond to stress by breaking or fracturing.
An adjective used to describe materials that respond to stress by bending or deforming without breaking.
A bend in rock layers that results from stress.
The sloping side/s of a fold.
Where the limbs meet on a fold.
The line of symmetry on a fold.
An adjective used to describe a fold that appears to be lying on its side.
A fold in which the oldest layer is in the center of the fold.
A fold in which the youngest layer is in the center of the fold.
A fold in which both limbs are horizontal or almost horizontal.
A break in a fold in which there is no movement of the surrounding rock.
A break in a body of rock along which one block slides relative to another; a form of brittle strain.
The surface or plane along which the motion occurs.
In a nonvertical fault, the rock above the fault plane.
The rock below the fault plane.
A fault in which the hanging wall moves downward relative to the footwall.
A fault in which the hanging wall moves upward relative to the footwall.
A special type of reverse fault in which the fault plane is at a low angle or is nearly horizontal.
A fault in which the rock on either side of the fault plane slides horizontally in response to shear stress.
A verb meaning to slide.
The length of a fault.
A group of adjacent mountains that are related to each other in shape and structure.
A group of adjacent mountain ranges.
A group of two mountain systems (the circum-Pacific belt to the West and the Eurasian-Melanesian belt to the East).
Mountains that form when tectonic movements squeeze rock layers together into accordion-like folds.
Large, flat areas of rock high above sea level.
Mountains that form where faults break Earth's crust into large blocks and some blocks drop down relative to other blocks.
Long, narrow valleys formed by the process of fault-blocking.
A circular or elliptical, almost symmetrical, elevation or structure in which the stratified rock slopes downward gently from the central point of folding.
Mountains that form when magma erupts onto Earth's surface.
Volcanically active areas that lie from tectonic plate boundaries.