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Chert

Sedimentary Rocks

Chert is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz. A related silica variety found within the rock, chalcedony, is a microfibrous form of quartz. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Classification
Classification
Sedimentary Rock 1
Use
Industrial and Abrasive 2
Wikipedia 'Chert' states this use (or use-bearing statement); earth5 pass.
Kind
Rock 1
Formation Class
Sedimentary, chemical (composed of microcrystalline or cryptocrystalline quartz) 1
Connections

Associated With

Chalk, Materials

Host rock: chert occurring within chalk is conventionally distinguished by the name flint.

Source Chert (Wikipedia)
Limestone, Materials

Host rock: chert most commonly occurs as nodules within limestone.

Source Chert (Wikipedia)

Caused By

Sedimentation, Processes
Source Chert (Wikipedia)

Classified As

Sedimentary Rocks, Subcategories

In Discipline

Geology, Disciplines
Sources
1. Chert (Wikipedia)
Wikimedia Foundation
  • Lead section
    a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz.
  • Lead section
    Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2).
  • Associated With: Chalk, Lead section, occurrence sentence
    Where chert occurs in chalk or marl, it is usually called flint.
  • Associated With: Limestone, Nodular chert section
    Nodular chert is most common in limestone but may also be found in shales and sandstones.
  • Caused By: Sedimentation, Lead paragraph
    Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2)
View the Source
2. Wikidata: Chert
Wikidata Q1070438
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