argillites

argillites are often used in construction.

the study of argillites can reveal geological history.

many fossils are found in argillites.

argillites can vary in color and texture.

geologists often analyze argillites for mineral content.

argillites can indicate past environmental conditions.

the formation of argillites takes millions of years.

argillites are important for understanding sedimentary processes.

some argillites are rich in organic matter.

argillites can be found in various geological settings.