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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 Presentation
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Physiographic Physiographic Provinces of Provinces of
VirginiaVirginia
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
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.
1. Kinds of rocks:
2. Ages of rocks:
3. Fossils:
Sedimentary, loose sediment
0-225 mya (millions of years ago)
Sea critters
This area is rich in _____ and ______ resources.
sandgravel
b. Major cities are located here.
Fall line:a. Waterfalls and
rapids are located here.
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
An episode of ___________that occurred before the formation of the Appalachian Mountains created theserocks. They are partof the ______ ofthe mountains.
subduction
roots
1. Kinds of rocks:
2. Ages of rocks:
3. Fossils:
Igneous and metamorphic(some sediment)245-570 mya
Exception: Culpepper Co.Dinosaur tracks
None
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
Mount RogersElevation:
5719’
__________________ in Virginia.
Highestpeak
W
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
Valley and RidgeAn area of long, parallel ridges
separated by valleysW
Plateau
Ridges Valleys Great Valley
Blue Ridge
Thrust Faults
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
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).
1.Kinds of rocks:
2.Ages of rocks:
3.Fossils:
Sediment
350-570 mya
Sea critters
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
1.Kinds of rocks:
2.Ages of rocks:
3.Fossils:
Sediment
286-360 mya
Scale treesFernsSome sea critters
W E
“Rolling
Hills”
Plateaus
Appalachian Plateau
Valley & Ridge
Alleghany County
Faults