Tectonic Forces and Landforms
What Causes the Crust to crumble?
Forces that are stronger than the rock.
What is a fold mountain?
A form from folded rock strata.
Are the cliffs perpendicular or parallel lines?
They are parallel lines.
How many faults separate normal faults?
One or more
What can you flip over and it looks like a bowl?
Dome
What system exists because tectonic forces are pulling rocks apart?
The Mid-Ocean Ridge System.
What kind strata bends easily when folded?
Clay and Sand strata.
Where are most rifts located?
Most of the are located underwater
What forms fault block mountains?
Horsts and grabens
How do Domes form?
When lava pushes up on a small area
What does plates converging create?
Plate Converging creates huge forces in the Crust.
What will crack and crumble when folded?
Solid, Brittle strata
What are rift valleys lined with?
They are lined with High cliffs.
What breaks the blocks apart?
Other forces from different directions.
How do Basins form?
formed by magma being emptied underground so they sag.
What do non horizontal Tectonic forces create?
These forces create uplift or subsidence landforms.
What are Anticlines?
They are an arch of rock layers.
What is in the center of a rift where there are low areas because rocks dropped downward?
A graben
What are seamounts?
Extincted volcanoes in ocean basin
The strata dips towards the what?
Middle
When do Tectonic mountains Form?
When the pieces of the crust crunched together, pulled apart, rose up, or sank down.
What are Synticlines?
Synticlines are a downward fold of rock strata, formed the same way anticlines are formed
What is a rift?
A rift is a series of steep-walled valley lined with high cliffs rising from faults parallel to the valley
Some mountain landforms are?
Volcanoes
the subsidence usually fills up with_____?
Water