Acotango

High school (ages 12+)
Geography

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/acotango

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 high is Acotango?6,052 meters (19,856 ft)
2. How big is Acotango?Lauca National Park (Chile) and Sajama National Park (Bolivia)
3. What is the location?Border of Bolivia and Chile, Andes Mountains
4. What is the geological age?Dacite samples dated to 192,000±8,000 and 241,000±27,000 years ago
5. How tall is Acotango?It is 6,052 meters tall, which is about 19,856 feet.
6. Why is Acotango on the border of Bolivia and Chile?The mountain sits on the international border and is part of two provinces and communes, so it belongs to both countries.

Stratovolcano: A large, conical volcano composed of layers of hardened lava, tephra, pumice, and volcanic ash, typically with steep slopes and explosive eruptions.
Holocene Epoch: The current geological epoch, beginning approximately 11,700 years ago, characterized by warmer global temperatures following the last glacial period.
Pleistocene Epoch: A geological epoch lasting from about 2.6 million to 11,700 years ago, known for its cycles of glacial and interglacial periods.
Hydrothermal Alteration: The chemical and physical changes in rocks caused by the circulation of hot, mineral-rich water, often associated with volcanic or geothermal activity.