Definitions from the Web
Chert
Description:
Chert is a hard, fine-grained sedimentary rock composed of microcrystalline quartz. It is typically opaque and often has a conchoidal fracture, which gives it a glass-like appearance. Chert can occur in a variety of colors, including white, gray, brown, and black.
Senses and Usages:
- Noun:
- A type of rock: Chert is commonly found as nodules in limestone or as layers in sedimentary rocks.
- (Geology) A form of silica: Chert is primarily composed of microcrystalline quartz.
- Adjective:
- Referring to something made of or resembling chert: The archaeologists discovered chert artifacts near the ancient burial ground.
- Suggesting hardness or resilience: The fort's chert walls were able to withstand numerous attacks.
Sample Sentences:
- Noun:
- The excavation revealed several chert nodules embedded in the limestone.
- Geologists study the composition of chert to understand ancient environments.
- Adjective:
- The archaeologists found chert tools that were used by ancient civilizations.
- The chert cliffs provided natural protection to the coastal settlement.
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