Mountain Building Definitions
Define Accumulation Stage
Where great thicknesses of sedimentary rocks and/or volcanic rocks are deposited.
What are folds?
The bending of rock
Grand Teton National Park
Wyoming
Located Where?
Virginia
Located Where?
California
Define Orogenic Stage
An active mountain building stage that usually starts at the end of the accumulation stage. Causes folding and faulting.
What are faults?
The breaking displacement of rocks.
Great Basin National Park
Nevada
Not very many rocks exposed due to....?
Lush vegetation
Extensive sedimentation in....?
Paleozoic
Define Crustal Extension Stage
Occurs during the isostatic rebound of crustal plates, after orogenic stage, surface weathering and erosion occurs during this stage.
How many types of faults are there?
Three
Great Smoky Mountains National Park
Tennessee, North Carolina
What trail is it apart of?
Appalachian Trail
Define Accretionary terrane
Land added to continents during plate collisions
Define Craton
The stable, interior portion of continent, usually very old crystalline rocks.
Which fold involves one side of rock layers folded down?
Monocline
Joshua Tree National Park
California
The intense heat beneath the surface during Precambrian mountain building events has generated a....?
granitic batholith
Define Melange
A mixture of diverse materials scraped off of the sub ducting oceanic plate.
Define Tectonic Accretion
The addition of exotic terranes to a continental land mass which is usually caused by intense plate collisions.
Which fold involves rocks being folded downward in a trough pattern?
Anticline
Hot Springs National Park
Arkansas
Erosion and isostatic uplift in....?
Has the tallest _______ in the world!
Trees