Chert

usgb/tʃɜrt/
noun

Chert is a type of sedimentary rock that is hard and made of silica.

Archaeologists found tools made of chert at the ancient site.
Visual representation of "chert" - Chert is a type of sedimentary rock that is hard and made of silica.

Often appears as...

  • chert formation
  • chert tools

Usage tips

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General

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Visual representation of "chert"
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Geological Significance

Understanding the layers of earth can be crucial when studying chert formations.

Illustration for Geological Significance
Geologists often study chert layers to learn about ancient environments.
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Historical Uses

Chert has been used by humans for tool-making for thousands of years.

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Prehistoric humans commonly used chert to create sharp tools.
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Identification

Chert can often be confused with other sedimentary rocks; however, its characteristics can help you distinguish it.

Illustration for Identification
One way to identify chert is by its conchoidal fracture.
Visual representation of the word "Chert"

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