Faults & Folds
In this fold, rocks are folded upward in an arch.
What is anticline?
Faults are the source of most _______.
What are earthquakes?
The stable, interior portion of a continent. Usually very old, crystalline rocks.
What is a craton?
This kind of slate, found in Great Smoky Mountains National Park, has planes of weakness parallel to zones called slaty cleavage.
What is Anakeesta slate?
This National Park has hot springs without thermal deposits.
What is Hot Springs?
Rocks directly above the fault.
What is the hanging wall?
What is strike-slip faulting?
Addition of exotic terranes to a continental land mass, usually caused by intense plate collisions.
What is tectonic accretion?
This Eastern National Park has ridge tops made of sandstone and valleys typically made of limestone and shale.
What is Shenandoah?
Redwood National Park's trees range from this state to this state.
What are Oregon and California?
Where tensional/extensional forces pull the rocks apart and the hanging wall falls down relative to the footwall.
What is normal faulting?
A thrust fault has _____ compared to a reverse fault.
What is a lower angle?
The creation of folds and faults.
This National Park has a crystal cave formed in the Cenozoic.
What is Sequoia?
Death Valley National Park contains the lowest point in North America, called ________.
What is Badwater Basin?
One side of rock layers are folded down. Present in the Colorado Plateau.
What is a monocline fold?
Rocks are folded downward in a trough, youngest rocks in the middle.
What is syncline?
Tectonic accretion can be seen in these four states.
What are California, Oregon, Washington, and Maine?
Despite being a desert now, this National Park's spheroidal weathering reveals a more humid past.
What is Joshua Tree?
In this National Park, no surface water has any drainage outlet to any ocean.
What is Great Basin?
Fractures/cracks in Earth's surface where there is no displacement.
What are joints?
______ and ______ are commonly next to each other due to compressional forces, typically in sedimentary rocks.
What are anticlines and synclines?
These are the three stages of major mountain building.
What are the accumulation stage, the orogenic stage, crustal extension, block faulting, and uplift?
This National Park has thin crust due to nearby Yellowstone National Park.
What is Grand Teton?
When it metamorphoses, chert becomes this rock.
What is novaculite?