complex mountains
this state is home to grand teton national park
wyoming
The first stage of major mountain belt building involves the deposition of thick layers of sedimentary or volcanic rock, known as this stage.
the accumulation stage
Located in eastern Nevada, this park is known for its remote location and Basin and Range topography.
Great Basin National Park
The oldest rocks exposed in the Grand Teton mountains are from this geologic eon.
the Precambrian
This term describes fractures or cracks in the Earth's surface where there is no significant displacement.
joints
the active mountain building stage in the formation of major mountain belts is known as this
the orogenic stage
After the active mountain-building stage, this process often occurs due to isostatic rebound.
crustal extension and uplift
Unlike the broad, rounded mountains of the Appalachian Mountains (Module 5), the Tetons are characterized by their sharp peaks and lack of these.
foothills
Great Basin National Park is located within this physiographic province characterized by alternating mountain ranges and valleys formed by normal faulting.
the Basin and Range
The Grand Teton peak itself is an example of this sharp, pyramid-shaped mountain formed by the erosion of multiple glacial cirques.
horn
The stable, interior portion of a continent, often containing the oldest rocks, is called this.
the craton
The process by which a continent gains land on its tectonically active margins, often through subduction or continental collision, is called this.
tectonic accretion
This Arkansas national park, while located in a complex geological area, is primarily known for its geothermal features rather than dramatic block faulting.
hot springs national park
A downward fold in rock layers, where the youngest rocks are typically found in the center, is called this.
syncline
This type of fault occurs when tensional forces pull rocks apart, causing the hanging wall to move down relative to the footwall.
normal fault
This type of crustal deformation involves the bending of rock layers.
folding
An upward fold in rock layers, where the oldest rocks are typically found in the center, is called this.
anticline
This California national park, discussed in a previous module, is known for its arches and hoodoos, formed by weathering along joints.
Arches National Park or Bryce Canyon National Park
These fractures or cracks in the Earth's surface involve displacement or movement caused by tectonic forces.
faults
The steep, knife-edged ridges that separate adjacent glacial valleys in the Tetons are called these.
aretes
Grand Teton National Park's dramatic scenery is primarily a result of this type of faulting.
normal faulting (block faulting)
This national park in Utah features a prominent monocline known as the Waterpocket Fold.
capitol reef national park
Both Grand Teton National Park and this Maine national park (mentioned in the context of tectonic accretion in Module 6) owe some of their protected land to donations from John D. Rockefeller.
Acadia National Park
The metamorphic core complexes found in many of the mountain ranges within the Basin and Range province are primarily composed of these types of rocks.
crystalline rocks (schist and gneiss)
The thinning and extension of the continental crust in the Great Basin region during the Cenozoic led to the formation of these types of faults.
normal faults