Continents, Supercontinents and the Earth’s Crust

The Earth’s surface is constantly moving and changing. Mountains are built and destroyed, and continents form and break up. What did the Earth look like in the past, and how will it change in the future?

Here are the questions you have sent in that we have answered. If you have a question you would a geologist to answer, email askageologist@geolsoc.org.uk. Click on the questions below to read the explanation given by one of our geologists.

• Formation of mountains
• Major and minor tectonic plates
• Continental divide
• Is the continental crust granitic?
• Mountain roots
• Supercontinents before Rodinia
• Why do most peninsulas point south?