hw 15

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Coastal Carolina University *

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101

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Geography

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Jan 9, 2024

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Hinterland Belts (HW 15) Each answer is worth 2 points unless otherwise specified. 130 points total. Please use blue type for your answers (type anywhere on the blue line and the type should be blue and bold). 1) Rocks of the crystalline shield, and igneous and metamorphic rocks less than 1 billion years old are both present in hinterland deformation belts. Were igneous and metamorphic rocks less than 1 billion years old metamorphosed and deformed prior to Appalachian/Cordilleran mountain building? Answer yes or no. yes Were rocks of the crystalline shield metamorphosed and deformed prior to Appalachian/Cordilleran mountain Building? Answer yes or no. yes 2) Answer true or false. Thrust faults in the hinterland cut deeper into the Earth than thrust faults in the foreland. true 3) Describe landscape typical of the hinterland deformation belt. Rugged crystalline highlands 4) Name the three physiographic provinces that form the Appalachian hinterland deformation belt. piedmont and blue ridge and valley and ridge 5) Why is there so much exposed crystalline rock in the Appalachian Mountains? As parts of the earth buckled into folds, cracked or faulted, others were uplifted 6) The Blue Ridge Mountains almost disappear at the city of Roanoke which separates the Northern Blue Ridge from the Southern Blue Ridge. (2) 7) The following describes one of four areas in the Appalachians. Name the area by choosing, A - Northern New England C - Northern Blue Ridge, B - Southern New England D - Southern Blue Ridge. a) The highest part of the Appalachians with many peaks above 6000 feet. southern blue ridge b) Hilly to mountainous with lots of exposed rock and glacial erosion features. Northern new england c) Composed of low glacial hills. Southern new england d) Composed of only a few narrow ridges. Unglaciated with few peaks above 4000 feet. northern blue ridge 8) The southernmost river to cross the Blue Ridge passes through this town, which is also in the Blue Ridge. Roanoke 9) a) Name the highest escarpment in the eastern US. Blue ridge escarpment a) This escarpment overlooks the Piedmont plateau physiographic province. b) This escarpment is located along the southeastern edge of the Appalachian physiographic province. 10) The highest peak east of the Mississippi River is Mount Mitchell This peak is located in the Appalachian Mountains of the Blue Ridge, in the state of North Carolina 11) A cove in Great Smoky Mountains National Park is a flat-floored anticlinal valley. a) What is the rock/sediment type present on the floor of these coves? limestone
b) Are these rocks above or below the Great Smoky thrust fault? below Are these rocks part of the Foreland Fold and Thrust Belt or part of the Hinterland Deformation Belt? Hinterland deformation belt Name two of the coves in the Great Smoky Mountains National Park. Cades Cove Wear Cove 12) Name the major thrust fault in the southern Blue Ridge that underlies both Chilhowee Mountain and the Great Smoky Mountains. Transverse strike slip fault 13) Many of the large cliff faces in the Blue Ridge, such as at Looking Glass Rock, are composed of what specific type of rock? crystalline 14) The Blue Ridge Parkway is a linear park that extends from the Great Smoky Mountains in the south, through the Plott Balsam and Great Balsam Mountains to Shenandoah National Park. 15) Were the New England Highlands affected by continental glaciation? Yes or No. yes 16) Was the southern Blue Ridge affected by glaciation/? Yes or No. no 17) Name two specific mountain areas in the New England Highlands that were affected by alpine glaciation. Taconic Highlands Hudson Highlands 18) The highest mountain peak in the New England Highlands is Mount Washington This peak is the only peak above 6,000 feet in the New England Highlands, This mountain peak is located in the White Mountains. This mountain peak is located in the state of New Hampshire 19) The highest mountain peak in the state of Maine is Mount Katahdin This peak is the only peak above 5000 feet in the state of Maine (true or False) true This peak marks the end of the Appalachian trail (true or False) true 20) The largest area above the treeline in the eastern US is located in the White Mountains. 21) The Green Mountains in the New England Highlands form the geologic and topographic continuation of the Blue Ridge. (2) 22) Are there any peaks above 4000 feet in the Green Mountains of Vermont? Yes or No. yes 23) Name the only national park in New England Acadia National Park In which state is this national park is located? Maine Is this national park on the coast or inland? coast 24) There is landscape evidence that the Maine coastline is drowning against rising sea level. Name two visual features present along the Maine coastline that indicate a drowned coastline. islands inlets 25) How long ago did the Triassic Rift valleys in the Appalachians form? About 220 million years ago Did the rift valleys form when Pangea first began to break apart? Yes or No? yes Are these rift valleys possibly associated with initial development of the Blue Ridge escarpment? Yes or No . yes 26) Sedimentary rocks in the Triassic Rift valleys are distinctive due to their red color.
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