Acamarachi

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/acamarachi

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 Acamarachi?6,046 meters (19,836 feet)
2. What is the location?Northern Chile, Andes Mountains
3. What is the geological composition?Andesitic and dacitic rocks
4. Why do the Inca people care about Acamarachi?The Inca built a mountain sanctuary on its upper slopes and left figurines there. They believed the mountain was a god and made offerings.
5. How does Acamarachi make its lava?The volcano erupts andesitic and dacitic lava, which comes from the melting of the mantle above the Nazca Plate. This magma can be thick and flow slowly, forming a lava dome.

Stratovolcano: A large, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash.
Lava dome: A rounded, steep-sided mound formed by viscous lava that piles up around the volcanic vent.
Andesitic rocks: Intermediate volcanic rocks containing plagioclase feldspar and amphibole or pyroxene, common in subduction zones.
Dacitic rocks: Volcanic rocks with a silica content between andesite and rhyolite, often associated with explosive eruptions.