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Physiographic Provinces of Virginia

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Physiographic Provinces of Virginia Virginia is divided into ____ major physiographic provinces (physio-physical features, graphic map of). 5 Coastal Plain Piedmont ... – PowerPoint PPT presentation

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Title: Physiographic Provinces of Virginia


1
Physiographic Provinces of Virginia
2
Virginia is divided into ____ major physiographic
provinces (physio-physical features, graphicmap
of).
5
Coastal Plain
Valley Ridge
Appalachian Plateau
E
W
Piedmont
Blue Ridge
3
The Coastal PlainA gently seaward sloping
surface in Eastern Virginia
300 -Coastal Plain
Pile
_______ of loose sediments that have eroded
from the mountains.
0 sea level
Sediments
The highest elevation is about 300 ft. above sea
level.
4
  1. Kinds of rocks
  2. Ages of rocks
  3. Fossils

Sedimentary, loose sediment
0-225 mya (millions of years ago)
Sea critters
5
sand
This area is rich in _____ and ______ resources.
gravel
Fall line
b. Major cities are located here.
a. Waterfalls and rapids are located here.
6
The PiedmontA gently rolling area with hills and
valleys (pied-foot, mont-mountains). This is
located in Central Virginia.
E
Blue Ridge
Coastal Plain
Piedmont
W
7
subduction
An episode of ___________that occurred before
the formation of the Appalachian Mountains
created theserocks. They are partof the ______
ofthe mountains.
roots
8
  1. Kinds of rocks
  2. Ages of rocks
  3. Fossils

Igneous and metamorphic(some sediment)
245-570 mya
None
Exception Culpepper Co.Dinosaur tracks
9
Blue Ridge A 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.
Highest
older
eroded
10
Mount Rogers
Elevation 5719
W
Highestpeak
__________________ in Virginia.
11
  1. Kinds of rocks
  2. Ages of rocks
  3. Fossils

Igneous metamorphic
245 mya-1 bya
None
Metamorphosis
____________ occurred during the Appalachian
Mountain formation. These are the ________ rocks
in Virginia.
oldest
12
Valley and RidgeAn area of long, parallel ridges
separated by valleys
W
Ridges
Valleys
Great Valley
Blue Ridge
Plateau
Thrust Faults
13
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
14
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).
15
  1. Kinds of rocks
  2. Ages of rocks
  3. Fossils

Sediment
350-570 mya
Sea critters
16
Appalachian PlateauThis is a series of plateaus
separated by faults. The Boot
This area is known for rich deposits of ____,
____, and _________.
coal
oil
natural gas
Coal seams
17
  1. Kinds of rocks
  2. Ages of rocks
  3. Fossils

Sediment
286-360 mya
Scale treesFernsSome sea critters
18
W
E
Appalachian Plateau
Plateaus
Rolling Hills
Valley Ridge
Faults
Alleghany County
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