Guarani Aquifer

High school (ages 12+)
Environment & Earth

Name:

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/guarani-aquifer

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. How deep is Guarani Aquifer?Approximately 1,800 meters
2. What is the geological age?Formed during the Jurassic and Cretaceous periods (Mesozoic Era)
3. What is the primary rock type?Porous sandstones and interbedded layers
4. Where is the Guarani Aquifer found?It lies under Argentina, Brazil, Paraguay, and Uruguay, covering about 1.2 million square kilometers.
5. How much water does the Guarani Aquifer hold?It holds about 37,000 cubic kilometers of water, which is a huge amount.

Transboundary Aquifer: An aquifer that extends across international borders, requiring cooperative management by multiple nations.
Hydrogeology: The study of groundwater, including its occurrence, movement, and quality within the Earth's crust.
Outcrop Area: A visible exposure of bedrock or a geological formation on the Earth's surface.
Artesian Conditions: A situation where groundwater is confined under pressure, causing it to rise in a well without pumping.