Mudstone

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/mudstone

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 scientific classification?Fine-grained sedimentary rock (mudrock)
2. What is the primary constituents?Clay minerals and silt-sized particles
3. How does mudstone form?Mudstone forms when mud settles in calm water, gets squeezed by more layers, and minerals cement the grains together. This process turns loose mud into solid rock.
4. Why do scientists study mudstone?Scientists study mudstone because its tiny layers can keep fossils and clues about ancient life and climate. It helps them read Earth’s history.

Fissility: The property of a rock, such as shale, to split readily into thin, parallel laminae.
Diagenesis: All the physical, chemical, and biological changes that happen to sediment after deposition and before metamorphism.
Siliciclastic: Sedimentary rocks composed predominantly of detrital silicate minerals.
Astrobiology: The scientific study of the origin, evolution, distribution, and future of life in the universe.