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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

Source Chert (Wikipedia)

Classified As

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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