Plate Tectonics and Newfoundland - PowerPoint PPT Presentation

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Plate Tectonics and Newfoundland

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... and Labrador, they might think about John Cabot and say 'about 500 years. ... you stand on Signal Hill in St, John's, you are standing on rocks that are ... – PowerPoint PPT presentation

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Title: Plate Tectonics and Newfoundland


1
Plate Tectonics and Newfoundland
If your were to ask someone the age of
Newfoundland and Labrador, they might think about
John Cabot and say about 500 years. The correct
answer lies not in its human history, but in the
age of its rocks. That history is studied through
geology, the scientific study of Earth and its
land-forms.

2
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
3
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
4
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
5
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
6
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
7
Plate Tectonics and Newfoundland
The Geological Formation of Newfoundland
8
Plate Tectonics and Newfoundland
The Geological Layout of Newfoundland
9
Sample Problem
Use the diagram and your knowledge of the theory
of Plate Tectonics to explain how the three
geologic zones of the island portion of
Newfoundland and Labrador were formed.
Answer It is thought that the geology of Island
Newfoundland resulted long ago when the Iapetus
Ocean was closing. The North American plate
collided with the African plate and as a result a
portion of the Iapetus Ocean floor was sandwiched
in between. Zone A is referred to as the
Humber Zone and was part of the North American
plate. Zone C is referred to as the Avalon
zone and is thought to part of the African plate.
Zone B is referred to as the Central Mobile
Belt and is thought to be once part of the
ancient Iapetus Ocean.
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