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Geo of NP Final

Geology of National Parks Final Exam Review

QuestionAnswer
Glaciers are important because they: D. All of the above
Continental ice sheets covered part of the Untied States during this geologic time period: C. Pleistocene
This type of glacier, seen in Rocky Mountain National Park, occupies a hollow or basin at the head of a mountain valley: B. cirque glacier
Finely pulverized rock debris formed by glaciers is called: D. rock flour
A term that includes all sorted and unsorted glacial deposits is called: B. Glacial Drift
A part of the earth's crust that has been stable for a lteast 1500 million years is called a: B. craton
A vast inland body of water that for several thousand years covered hundreds of square miles north and south of the United States/Canadian border was called: A. Lake Muir
Hummocky ridges dumped along the front of the ice sheet are called: A. end moraines
An elongate hill or ridge made up of compact glacial till that was carried in the basal part of the glacier and plastered onto the ground surface is called a: B. drumlin
Which of these metamorphic rocks has a foliated (layered) texture: A. slate
Which of these metamorphic rocks has a nonfoliated texture: D. none of the above
Which of the following is true about Somes Sound: D. all of the above
A long, deep arm of the sea, U-shaped, steep-walled, and always found on a mountainouss coast that has been heavily glaciate is called a: A. fiord
Rocks that tend to be medium or coarse-grained because they solidify slowly from magma at depth over a long period of time are called: B. intrusive
Which of these igneous rocks has a fine grained texture: C. rhyolite
Most of Rocky Mountain National Park is located in the: A. Front Range
Which of these processes have altered rocks in Rocky Mountain National Park: D. both A & B above
The major mountain building epoch responsible for the gross structures of the Rocky Mountains is called: C. Laramide orogeny
Much of the alpine scenery we see in Rocky Mountain National Park today was shaped by: A. Mountain or alphine glaciers
An elongate knob or hillock of bedrock that has been smoothed and scoured by moving ice is called: B. roche moutonnee
Flowage of soil, causing slumping and development of hummocky lobes on gentle upland slopes above treeline and above glacial valleys is called: C. solifluction
A relatively large rock fragment that has been transported by a glacier from its place of origin is called: C. erratic
The spectacular landforms in Waterton-Glacier Park are primarily the result of: A. glaciation
A sharp, serrated ridge separating glacial valleys is called: D. arete
A rock with mineral crystals of distincly different sizes is said to have what kind of texture: C. porphyritic
A pyramidal shaped peak found in mountain areas that have been glaciated is called: A. horn
Slides of snow ice, trees, and rock debris that roar down slopes at high speed are responsible for the development of: B. avalanche chutes
Which of the following present clues to the ancient environments in which sedimentary rocks formed: D. all of the above
The Scottish-orn naturalist and conservationist who was largely responsible for the creation of Yosemite National Park was: C. John Muir
A rock texture in which large crystals occur in a matrix of smaller grains is called: A. porphyritic
Which of the following is true about exfoliation: D. all of the above
Mountain peaks that projected above the glaciers in Yosemite national Park and were not overriden by ice are called: B. nunataks
The glaciers within and around this park make up the largest concentration of glaciers in the United States outside Alaska: C. North Cascades National Park
The highest annual precipitation rates in the conterminous United States (lower 48 states) are found in this park: B. Olympic National Park
The primary agent of erosion today on the Olympic peninsula is: A. running water
When large blocks of crumbling masses of ice break or fall continually from glacier snouts it is called: A. calving
Glaciers whose snouts extend out into salt water are called: B. tidewater glaciers
Narrow, sinuous, steepsided ridges made up of layers of sand and gravel deposited by glacial meltwater in channels are called: D. none of the above
Loose rock fragments and blocks that fall from cliffs or are scraped from rock walls and accumulate as low ridges on the edge of glaciers are called: A. lateral moraines
The process of saturated soil sliding and moving downslope common in permafrost areas is called: C. Solifluction
Where is Voyageurs national Park? E. Minnesota
Where is Isle Royale National Park? H. Michigan
Where is Acadia National Park? F. Maine
Where is Rocky Mountain National Park? C. Colorado
Where is Waterton-Glacier International Peace Park? G. Montana
Where is Yosemite National Park? D. California
Where is North Cascades National Park? B. Washington
Where is Olympic National Park? B. Washington
Where is Glacier Bay National Park and Preserve? A. Alaska
Where is Denali National Park and Preserve? A. Alaska
Where is Crater Lake National Park? E. Oregon
Where is Mount Rainier National Park? D. Washington
Where is Yellowstone National Park? F. Wyoming
Where is Grand Teton National Park? F. Wyoming
Where is Great Basin National Park? H. Nevada
Where is Joshua Tree National Park? C. California
Where is Sequoia & Kings Canyon National Park? C. California
Where is Shenandoah National Park? B. Virginia
Where is Balck Canyon of the Gunnison National Park? A. Colorado
Where is Hawaii Volcanos National Park? G. Hawaii
Which of these National Parks has had the most volcanic eruptions in recent years? A. Hawaii Volcanoes National Park
The major component of all volcanic rocks is: C. silica
Which of the following is NOT TRUE about Mount Rainier? c. it has a high volume of pyroclastics (tephra)
Which of the following can be associated with Mount Rainier? D. all of the above
Whcih of these is the highest mountain in the Cascade Range? D. Mount Rainier
Which of these mountains would be considered a "composite volcano"? C. Mt. Rainier
This is the deepest lake in the United States: A. Crater Lake
Which of these factors is responsible for the intense blue color of Crater Lake? D. Both A & C
Which of the following is NOT TRUE about the Hawaiian volcanoes? b. they are associated with volcanic activity at a plate margin
The world's highest peak on an island is: A. Mauna Kea
The world's largest active volcano is found in: D. None of the above
A lava flow that has a smooth, billowy or ropy surface is called: c. pahoehoe
The largest, most spectacular, and most complex thermal area on earth with over 100,000 geysers, hot springs, mud pots, etc. is: D. Yellowstone National Park
The point within the earth that is the center of an eaerthquake is called the: C. Focus
Which of the following conditions must be present for geysers to function? A. All of the above
The average interval between eruptions of "Old Faithful" have lengthened and been less regular due to: D. Both A & B above
Which of the following is NOT TRUE about Mammoth Hot Springs in Yellowstone National Park? C. it is underlain by volcanic rocks
This type of rock, sometimes called volcanic or natural glass, cools and hardens before mineral grains have had time to crystallize A. obsidian
When lava cools and contracts you get: b. columnar jointing
Which of the following are found in Yellowstone National Park? D. all of the above
The dominant geological component of western North America is called: C. North American Cordillera
Which of these IS NOT one of the three stages in the evolution of mountain belts? A. cordillera stage
Grand Teton National Park includes major portions of these landforms: D. both A and B above
Which of these is evidence for faulting in the Teton Range? D. all of the above
Which of these geologic processes has been the most significant in the development of the landscape in Grand Teton National Park? B. faulting
Which of the following is (are) true about "pluvial lakes"? D. all of the above
A slow moving accumulation of talus, ice, snow, and water that creeps and slides down a mountain slope is called: D. none of the above
Which of these is related to spheroidal weathering in Joshua Tree National Park? D. all of the above
The most important erosional agent in arid environments like Joshua Tree National Park is: A. running water
Prominent, steep-sided residual hills and mountains rising abruptly from erosional plains in desert areas are called: C. inselbergs
A deep, flat-floored stream channel that contains water for only a few hours, or perhaps a few days each year is called: B. arroyo
An intermittent lake found in desert areas that may contain water a few weeks a year is: D. none of the above
A broad sloping apron of rock debris that forms by the coalescing of several alluvial fans is called: C. bajada
The mountain ranges that parallel the Pacific coast in North America provide an ideal environment for sequoia trees because: D. both A and B above
Which of these "naturalists" founded the Sierra CLub and campaigned to save the Sierra Nevada from exploitation by lumber and mining companies? A. John Muir
The highest mountain in the United States outside Alaska: B. Mt. Whitney
Which of the following is (are) true about the Sierra Nevada fault system? D. all of the above
The eastern most physiographic province in the southern Appalachian Mountain Belt is: C. piedmont
Which of the following IS NOT the about the Blue Ridge Mountains in Shenandoah National Park? B. glaciers covered much of the park in the past
Which of the following is TRUE about the side drainages to the Gunnison River at the Black Canyon of the Gunnison National Park? D. all of the above
This large boulder is completely unrelated to the local bedrock upon which it is found. It is most likely a: B. erratic
These elongate hills of bedrock that were smoothed and scoured by moving ice are called: C. roche moutonnees
This is an aerial view of Somes Sound in Acadia National Park. Somes sound is an example of a: A. fiord
What glacial landscape feature is found in the upper end of these glacial valleys in Rocky Mountain National Park: A. cirques
This is a good example of which of these glacial landscape features: A. arete
The primary erosional activity illustrated by this landscape photo is: D. exfoliation
This serrated (knife edge) ridge that separates glacial valleys is called a: A. arete
These "sea stacks" are prominent features along the coastal section of this park: C. Olympic National Park
The dark stripes of rock material in the central part of this glacier (not on the edges) is called a: A. medial moraine
This is a photo of the highest mountain in North America, it is: C. Mount McKinley
Mount Rainier, the highest mountain in the Cascade Range is a: B. composite volcano
Although the lake is called "Crater Lake," geologically speaking it is not located in a crater but is found in a: C. caldera
This photo is a good example of what "physiographic province" in the United States: C. Basin and Range
The rock in this cliff in Yellowstone National Park, sometime called "glass mountain" is: D. none of the above
This photo in Yellowstone National Park is taken at: A. Mammoth Hot Springs
The prominent glacial feature illustrated by this photo from Grand Teton National Park: B. horns
The Snake Range found in Great Basin National Park is a good example of: C. fault block mountain range
This landform at the base of Wheeler Peak is called a: C. rock glacier
The rocks in this photo are a good example of: D. spheroidal weathering
The material in the foreground of this photo near Mount Rainier is a good example of a: A. lahar
T/F :The Swiss geologist, Louis Agassiz, is considered by many as the father of glacial studies because he was one of the first scientists to study glaciers. True
T/F: Glaciers will probably never again spread over the northern part of the Northern Hemisphere. False
T/F: All of the bedrock exposed in Voyageurs National Park and the surrounding region are ancient rocks of Precambrian age. True
T/F: Rising land after glaciers have retreated is called "glacial rebound." True
T/F: Radiometric dating has not been used to determine absolute ages for Precambrian rocks. False
T/F: Most of Isle Royale was scraped bare of soil and weathered rock during the last glacial period. True
T/F: Most metamorphic rocks form close to the earth's surface. False
T/F: Contact metamorphism involves a general increase of temperature and pressure over a large area. False
T/F: A basaltic dike is an igneous intrusion that cuts across the bedding planes of the surrounding rock. True
T/F: Somes Sound is the only true food on the U.S. Atlantic coast. True
T/F: It is hard and many times impossible to identify mineral grains in extrusive rocks without a microscope. True
T/F: Basalt is a coarse-grained igneous rock of dark grey to black color. False
T/F: Some of the oldest rocks in North America are found in Rocky Mountain National Park. True
T/F: Trail Ridge Road climbs to the Roof of the Rockies, a broad, relatively flat upland extending over most of the central area of Rocky Mountain National Park. True
T/F: The Rocky Mountain began as a result of the interaction between the North American Plate and Pacific Plate. True
T/F: Long's Peak is one of the most famous mountains in Rocky Mountain National Park. True
T/F: There is no evidence of pegmatite dikes in Rocky Mountain National Park. False
T/F: Both regional and contact metamorphism have altered igneous and metamorphic rocks that are exposed in Rocky Mountain National Park. True
T/F: A pegmatite is a rock with a very coarse crystalline texture. True
T/F: Valleys that have been heavily glaciated have a characteristic "V" shape. False
T/F: Waterfalls are generally associated with hanging valleys in glaciated areas. True
T/F: Grinnell an Sperry glaciers, the two largest glaciers in Waterton-Glacier Park have grown considerably in the last several centuries. False
T/F: In Waterton-Glacier Park, location and elevation have little relation to snowfall, temperature, and glacial advance or retreat. False
T/F: Unlike the metamorphosed rocks of Rocky Mountain National Park, the rocks in Waterton-Glacier Park are made up of layered sedimentary and lightly metamorphosed rocks. True
T/F: The Northern Rockies in the Waterton-Glacier region are described as "mountains without roots" because the Lewis Overthrust, a low-angle thrust fault, transported older Precambrian rocks eastward for many miles over the younger rocks. True
T/F: Yosemite National Park is composed primarily of a complex of igneous rocks of varying composition. True
T/F: Yosemite National Park has several exfoliation domes. True
T/F: Many of the highest waterfalls in the United States are found in Yosemite National Park. True
T/F: The reason for the large concentration of glaciers in and around North Cascades National Park is because the mountains are much than in other parks with glaciers. False
T/F: North Cascades National Park has a very simple bedrock geology primarily consisting of sedimentary rock. False
T/F: Few alpine glacial landscape features like horns, aretes, cirques, etc., are found in the North Cascades National Park. False
T/F: Geologists believe that the creation of the Olympic Peninsula was the result of powerful tectonic activity primarily related to plate tectonics. True
T/F: There is little evidence of glacial activity on the Olympic Peninsula. False
T/F: The huge glaciers of Glacier Bay National Park are in approximately the same position (snout) they were in 200 years ago. False
T/F: The native inhabitants, Tlingit Indians, of the Glacier Bay area had no idea that at one time the Bay was covered with ice. False
T/F: Glacial rates of retreat in Glacier Bay National Park are some of the fastest recorded on earth. True
T/F: North America's highest mountain, Mt. McKinley, is found in Glacier Bay National Park. False
T/F: Denali National Park has a variety of different bedrock types separated by the Denali fault system into "technostratigraphic terranes." True
T/F: Denali National Park has seen little earthquake or seismographic activity. False
T/F: When large chunks or blocks of ice buried in till melt they form depressions called "kettles." True
T/F: Magma that hardens in the crust below the surface of the earth is call extrusive igneous rock. False
T/F: Shield volcanoes have broad convex upward cones built up by layers of basaltic lava flows. True
T/F: Most volcanoes are located in belts that parallel the boundaries of tectonic plates. True
T/F: Very few of the Cascade Volcanoes are composite cones. False
T/F: A volcanic mudflow is called a "lahar." True
T/F: Geologically speaking, "crater lake" should be called "caldera lake." True
T/F: There is no evidence of past glacial activity at Crater Lake National Park. False
T/F: All of the rock above sea level on the Big Island of Hawaii has been erupted during the past million years, relatively recent in geologic time. True
T/F: Phreatic explosions occur any time that hot lava encounters ground water and turns it into steam. True
T/F: Yellowstone National Park is on a high plateau, averaging about 8000 feet in elevation and nearly surrounded by mountain ranges. True
T/F: the major part of the Yellowstone Plateau is a huge collapsed caldera, nearly filled with thousands of cubic miles of young volcanic rocks and volcanic debris. True
T/F: Geologists theorize that a "hot spot" similar to the one that produced the Hawaiian Island chain, may be the cause of volcanic episodes in the Yellowstone region. True
T/F: Little earthquake activity has occurred in the Yellowstone National Park region. False
T/F: Earthquakes disrupt and change hydrothermal systems in Yellowstone National Park. True
T/F: At the present time, there are no glaciers found in the Yellowstone Plateau. True
T/F: Glacial erratics have been found in Yellowstone National Park. True
T/F: At the present time, the North American plate moves one to two inches a year in a westward direction. True
T/F: In structural terms, the Teton fault is a steeply dipping reverse fault. False
T/F: There is no evidence of glacial activity at Grand Teton National Park. False
T/F: Small depressions, some filled with water, that are left when debris-covered ice blocks melt are called "kettle holes." True
T/F: Most of the streams from the Great Basin flow into the Pacific Ocean. False
T/F: The Great Basin National Park is part of a fault-block mountain range. True
T/F: Joshua Tree National Park is surrounded by by active or recently active faults. True
T/F: Base levels or erosion in most deserts like at Joshua Tree National Park are constantly rising as the products of erosion accumulate within internal basins. True
T/F: In broad outline, the geologic story of Sequoia and Kings Canyon National Parks is like that of Yosemite National Park. True
T/F: Most of the rocks in the High Sierra are sedimentary rocks. False
T/F: The large boulder fields on many slopes of the Blue Ridge are the result of "periglacial" activity. True
T/F: The Gunnison River is considered a "superimposed" stream. True
T/F: The resistance of the rocks to erosion is what has formed the steep parts of the canyon in Black Canyon of the Gunnison National Park. True
T/F: Most of the rocks in the inner canyon at Black Canyon of the Gunnison National Park are sedimentary rocks. False
Created by: 543080432