physiographic provinces of virginia
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Physiographic Provinces of Virginia. 5. Virginia is divided into ____ major physiographic provinces (physio-physical features, graphic—map of). Coastal Plain. Valley & Ridge. Appalachian Plateau. E. W. Blue Ridge. Piedmont. - PowerPoint PPT PresentationTRANSCRIPT
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Physiographic Physiographic Provinces of Provinces of
VirginiaVirginia
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Virginia is divided into ____ major physiographic provinces
(physio-physical features, graphic—map of).
5
Coastal Plain
Piedmont
Blue Ridge
Valley & RidgeAppalachia
n Plateau
W E
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The Coastal PlainA gently seaward sloping surface in
Eastern Virginia
0’ sea level
300’ -Coastal Plain
Sediments
“_______” of loose sediments that have eroded from the mountains.
Pile
The highest elevation is about 300 ft. above sea level.
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1. Kinds of rocks:
2. Ages of rocks:
3. Fossils:
Sedimentary, loose sediment
0-225 mya (millions of years ago)
Sea critters
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This area is rich in _____ and ______ resources.
sandgravel
b. Major cities are located here.
Fall line:a. Waterfalls and
rapids are located here.
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The PiedmontA gently rolling area with hills and A gently rolling area with hills and
valleys (pied-foot, mont-valleys (pied-foot, mont-mountains). This is located in mountains). This is located in
Central Virginia.Central Virginia.
W
EBlue Ridge Piedmon
tCoastal Plain
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An episode of ___________that occurred before the formation of the Appalachian Mountains created theserocks. They are partof the ______ ofthe mountains.
subduction
roots
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1. Kinds of rocks:
2. Ages of rocks:
3. Fossils:
Igneous and metamorphic(some sediment)245-570 mya
Exception: Culpepper Co.Dinosaur tracks
None
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Blue RidgeA narrow line of mountains north of Roanoke, a broader, upland surface south of Roanoke. _________ mountains in Virginia. The Appalachian mountains are ________ and more _________ than the Rocky Mountains.
Highestolder
eroded
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Mount RogersElevation:
5719’
__________________ in Virginia.
Highestpeak
W
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1.Kinds of rocks:
2.Ages of rocks:3.Fossils:
Igneous & metamorphic245 mya-1 bya
None____________ occurred during the Appalachian Mountain formation. These are the ________ rocks in Virginia.
Metamorphosis
oldest
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Valley and RidgeAn area of long, parallel ridges
separated by valleysW
Plateau
Ridges Valleys Great Valley
Blue Ridge
Thrust Faults
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Sections of hard, resistant rocks make up the ridges, while soft, eroded limestone makes up the valleys. ________ has eroded and leaves caves and caverns (karst topography).
Limestone
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Folding and faulting occurred during the formation of the Appalachian Mountains (when N. America collided with Africa and Europe). This occurred during the Paleozoic Era (300-265 million years ago).
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1.Kinds of rocks:
2.Ages of rocks:
3.Fossils:
Sediment
350-570 mya
Sea critters
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Appalachian PlateauThis is a series of plateaus separated by faults. “The
Boot”This area is known for rich deposits of ____, ____, and _________.
coal
oilnatural gas
Coal seams
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1.Kinds of rocks:
2.Ages of rocks:
3.Fossils:
Sediment
286-360 mya
Scale treesFernsSome sea critters
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W E
“Rolling
Hills”
Plateaus
Appalachian Plateau
Valley & Ridge
Alleghany County
Faults