Ur (supercontinent)

High school (ages 12+)
Geography

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/ur-supercontinent

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the estimated time of existence?Proterozoic Eon, potentially over 1 billion years ago
2. What is the geological classification?Hypothesized Supercontinent
3. What was Ur and when did it exist?Ur was a giant land that was bigger than all continents today, and it existed in the Proterozoic Eon, more than a billion years ago.
4. How did Ur form?Ur formed when many smaller landmasses joined together through plate tectonic movements, making a huge continent.

Proterozoic Eon: A major division of geological time preceding the Phanerozoic Eon, characterized by early life.
Cratons: Stable, ancient blocks of continental crust that form the cores of continents.
Paleolatitude: The latitude of a landmass at a specific point in geological time, determined by magnetic signatures.
Mantle Convection: The slow circulation of Earth's semi-fluid mantle, driving plate tectonic movement.