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Virginia Geology. The Five Physiographic Provinces of Virginia. The Five Provinces. Virginia is divided into 5 provinces based on their geologic formations. After looking at the first few slides, how many of the provinces can you name?. Do you know in which province we live?. - PowerPoint PPT Presentation
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The Five Physiographic The Five Physiographic Provinces of VirginiaProvinces of Virginia
The Five ProvincesThe Five Provinces
Virginia is divided into 5 provinces Virginia is divided into 5 provinces based on their geologic formations.based on their geologic formations.
After looking at the first few After looking at the first few slides, how many of the slides, how many of the
provinces can you name?provinces can you name?Do you know in which Do you know in which
province we live?province we live?
1. Coastal Plain1. Coastal Plain
The Coastal Plain runs from the fall The Coastal Plain runs from the fall line on the west, to the Atlantic line on the west, to the Atlantic
Ocean on the eastOcean on the east
• It is a terraced landscape
• Sand, silt and clay produced by erosion of the Appalachian Mts. covers the plain
• As sea levels rose and fell, fossils were left at various layers
Virginia FossilsVirginia Fossils
• Fossils include various marine organisms like clams, scallops, sharks teeth, and other hard remains
Virginia FossilsVirginia Fossils
• Paleozoic, Mesozoic, and Cenozoic fossils are found in Virginia
2. Piedmont2. Piedmont
Facts about the Va. PiedmontFacts about the Va. Piedmont
• It is an area of rolling hills underlain by ancient igneous and metamorphic rock
• It is the largest of the provinces
Mining the PiedmontMining the Piedmont• High quality slate is
mined from this area• The Piedmont host
one of the worlds largest kyanite mines
( see picture of kyanite )
3. Blue Ridge Mountains3. Blue Ridge Mountains
Blue Ridge FactsBlue Ridge Facts• The billion year
old igneous and metamorphic rocks are the oldest in the state
Blue Ridge FactsBlue Ridge Facts
• It is a high ridge separating the piedmont from the valley and ridge province
Ready for a quick review?Ready for a quick review?• 1. Which province, that has
already been described, is known for having layers of fossils?
Quick ReviewQuick Review• 2. Which province is the largest?• 3. Which province has the oldest
rocks?• 4. Which province has slate and
kyanite mines?
Let’s see how you did!Let’s see how you did!
• 1. Coastal Plain• 2. Piedmont• 3. Blue Ridge• 4. Piedmont
4. Valley and Ridge 4. Valley and Ridge ProvinceProvince
Valley and RidgeValley and Ridge• The Valley and
Ridge Province is an area of long parallel ridges and valleys underlain by ancient folded and faulted sedimentary rocks
Cambrian fossil algal structures Cambrian fossil algal structures are found in the V&R Provinceare found in the V&R Province
Limestone outcrops are common Limestone outcrops are common in the Valley and Ridge Provincein the Valley and Ridge Province
This area is also famous for This area is also famous for KarstKarst
• What does karst mean?• Want some hints?
Sink holes!Sink holes!
Caverns!Caverns!
Think you figured it out?Think you figured it out?
• Karst is an irregular limestone region with sinks, underground streams, and caverns
• The Valley and Ridge Province is famous for its caverns, can you name one?
5. Appalachian Plateau5. Appalachian Plateau
Appalachian Plateau FactsAppalachian Plateau Facts
• The Appalachian Plateau has rugged, irregular topography and is underlain by ancient, flat-lying sedimentary rocks
Appalachian Plateau FactsAppalachian Plateau Facts
• Do you notice any thing in these layers?
COAL!COAL!
Virginia CoalVirginia Coal
• Most of Virginia's coal is found in the Appalachian Plateau.
Virginia CoalVirginia Coal
• These old sedimentary rocks contain many fossils and tons of coal.
• Let’s see how you do on this 10 question quiz.
• Ready? Here we go!
Questions!Questions!• 1.Which province is covered by
sand, silt and clay?• 2.Which province has Cambrian
algal fossils?• 3. This province has a terraced
landscape.
More Questions!More Questions!
• 4. This province contains billion year old rocks.
• 5. Which province is underlain by ancient ,flat-lying sedimentary rocks?
More Questions!More Questions!
• 6. This province has rolling hills underlain by ancient rocks.
• 7. What do we call an irregular limestone region with sink holes and caverns?
More Questions!More Questions!
• 8. Which province is at the most western part of the state?( province #5 )
• 9. Which province is the largest?• 10.Which province is famous for
coal?
How did you do?How did you do?
• Get ready and we’ll check your answers
• Ready?
The AnswersThe Answers• 1. Coastal
Plain• 2. Valley and
Ridge• 3. Coastal
Plain• 4. Blue Ridge• 5. Appalachian
Plateau
• 6. Piedmont• 7.Karst• 8. Appalachian
Plateau• 9. Piedmont• 10. Appalachian
Plateau
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