IGCSE Geography: Natural Environments: Plate Tectonics

50 %
50 %
Information about IGCSE Geography: Natural Environments: Plate Tectonics

Published on February 6, 2008

Author: geographyalltheway

Source: slideshare.net



Plate Tectonics

Global Distribution of Volcanoes

Global Distribution of Earthquakes

Tectonic Plates > Plate Boundaries

If we can provide proof that Pangaea existed – what else can we prove?

The Future ...

What is the evidence that Pangaea existed? 1. Geological Evidence 2. Biological Evidence 3. Climate Evidence

1. Geological Evidence

Fit of South America and Africa

The continents of South America and Africa look like they should fit together like a jig- saw puzzle. There are patterns in the structure of the mountains in North East USA and North West Europe that would suggest they should join together.

2. Biological Evidence

Could Mesosaurus have swum from South America to Africa? Researchers say no.

The fossils of Mesosaurus has been found in both South America and Africa. Looking at the skeleton of Mesosaurus tells us that it could not have swam from one continent to the other therefore the continents, at one time, must have been closer.

3. Climate Evidence

Coal Think about the climate in which coal forming vegetation grows.

Limestone > Coral

Limestone is found France and the UK > Must have been located in a warmer region of the world.

So what are the mechanisms that makes this happen? Sea Floor Spreading

Plates are like rafts ‘floating’ onto top of the mantle.

We know about the structure of the earth from the study of the behavior of waves as they pass through the earth.

Exploring the Ocean Floor

Ranges of submarine mountains in the middle of the Atlantic.

The crust gets older with distance from the Mid-Oceanic Ridge. There are strips of crust that show alternating polarity.

Convection currents.

Convection currents in the mantle.

Add a comment

Related pages

Plate Tectonics - geographyalltheway.com - GCSE / IGCSE ...

Plate Tectonics : IGCSE Geography candidates should be able to - Describe the general distribution of fold mountains, volcanoes and earthquakes and explain ...
Read more

geographyalltheway.com - GCSE / IGCSE Geography - Volcanic ...

Natural Environments; Plate Tectonics; ... Volcanic Hazard Management - Mount Rainier, USA : ... GCSE / IGCSE Geography
Read more

Greenfieldgeography - IGCSE Plate Tectonics and GCSE Plate ...

IGCSE Plate Tectonics and GCSE Plate Tectonics IGCSE and ... Water and the Environment IGCSE and GCSE Geography ... between the natural environment and ...
Read more

Tectonic Processes - i-study.co.uk: GCSE Geography; Tectonics

IGCSE & GCSE Geography revision notes and diagrams for tectonics, ... Urban Environments; Global Interactions; ... broken into sections caled tectonic plates.
Read more

BBC - GCSE Bitesize Geography - Tectonic plates : Test

Home > Geography > Natural hazards > Tectonic plates . ... Tectonic plates - Test. 1. Which part of the Earth is directly below the crust? Mantle. Inner core.
Read more

Plate Tectonics - Revision - Wingate Geography

The idea of plate tectonics is largely based upon Wegner's theory of continental drift in 1912. He proposed that the world's continents were moving, as the ...
Read more

Plate Tectonics - The Geographer online

Plate Tectonics Worksheet: ... Draw and explain the 4 types of plate boundary ... 101 of your textbook 'Complete Geography for Cambridge IGCSE' identify ...
Read more

Plate Tectonics | Dr Laurie's Geog Blog

Posts about Plate Tectonics written by erlaurie. ... Geography Websites. ... Department for Environment, ...
Read more