Flat Lying Rocks
Tilted major sedimentary rock layers with cliffs exposed from Grand Canyon to Zion Canyon and Bryce Canyon
What is the Grand Staircase?
The longest known cave in the world
What is Mammoth Cave?
The oldest national park established in 1872, it is also the largest concentration of thermal features in the world
What is Yellowstone National Park?
This is the largest national park in the United States
What is Wrangell-St. Elias?
The most visited National Park with over 11 million visitors, established in 1934
What is the Great Smoky Mountains National Park?
This is a lithified aggregate of minerals
What is a rock?
Irregular topography caused by dissolution of limestone in the subsurface
What is Karst Topography?
This type of rock texture is characterized as full of holes, openings produced by the expanding gas bubbles, and often light-weight
What is vesicular?
A general term for glacial deposits
What is drift?
This park does not have many rocks exposed due to lush vegetation
What is Shenandoah National Park?
Woody components are surrounded by microcrystalline mineral matter, then replaced by inorganic silica
What is permialization?
These are formed in shallow, warm, clear water with little sediment and normal salt content
What are reefs?
These rocks are formed by magma
What are igneous rocks?
These are two types of glaciers
What are continental and alpine glaciers?
Breaking displacement of rock
What is faulting?
This geologic principle states that a more recent geologic event cuts across older geologic features
What is Cross-Cutting Relationships?
Established in 1930, this has the largest underground room of any cave in the U.S.
What is Carlsbad Caverns?
These are three types of chemical compositions of igneous rocks
What are felsic, intermediate, and mafic?
From oldest to youngest, these glacial episodes sculpted most of our landscapes
What is Nebraska, Kansas, Illinois, Wisconsin?
Standing at 14,505 feet high, this is the largest point in the lower 48 states
What is Mt. Whitney?
A type of chemical weathering, this causes a reaction of mineral grains with atmospheric oxygen
What is oxidation?
This type of water in Biscayne, Florida’s estuary is described as saltier in high tide and fresh in low tide
What is brackish?
Sharing a hot spot in the Pacific plate, this is the largest volcano in the world
What is Mauna Loa?
The most powerful force of erosion
What is ice?
This is the most common extrusive rock
What is basalt?