Top 9 where does chalk come from and how is it made THE BEST

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1.Chalk – Wikipedia

  • Author: en.wikipedia.org
  • Post date: 1 yesterday
  • Rating: 1(1011 reviews)
  • Highest rating: 5
  • Low rated: 3
  • Summary: Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the …

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2.chalk | rock – Encyclopedia Britannica

  • Author: www.britannica.com
  • Post date: 29 yesterday
  • Rating: 5(422 reviews)
  • Highest rating: 3
  • Low rated: 3
  • Summary: chalk, soft, fine-grained, easily pulverized, white-to-grayish variety of limestone. Chalk is composed of the shells of such minute marine organisms as …

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3.Blackboard Chalk Isn’t Chalk – Today I Found Out

  • Author: www.todayifoundout.com
  • Post date: 28 yesterday
  • Rating: 4(884 reviews)
  • Highest rating: 3
  • Low rated: 3
  • Summary:
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4.Chalk: A biological limestone formed from shell debris – Geology.com

  • Author: geology.com
  • Post date: 27 yesterday
  • Rating: 1(1294 reviews)
  • Highest rating: 3
  • Low rated: 1
  • Summary: Chalk is a variety of limestone composed mainly of calcium carbonate derived from the shells of tiny marine animals known as foraminifera and from the …

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5.Chalk | Properties, Composition, Formation and Uses

  • Author: geologyscience.com
  • Post date: 11 yesterday
  • Rating: 2(1573 reviews)
  • Highest rating: 4
  • Low rated: 3
  • Summary:

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6.How chalk is made – material, making, used, processing, procedure …

  • Author: www.madehow.com
  • Post date: 26 yesterday
  • Rating: 1(1075 reviews)
  • Highest rating: 4
  • Low rated: 3
  • Summary: To make chalk, limestone is first quarried, generally by an open pit quarry method. Next, the limestone must be crushed. Primary crushing, such …

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7.Sidewalk Chalk and the Calcium Cycle – EPOD – a service of USRA

  • Author: epod.usra.edu
  • Post date: 24 yesterday
  • Rating: 5(1060 reviews)
  • Highest rating: 3
  • Low rated: 3
  • Summary:

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8.What is chalk? – National Trust

  • Author: www.nationaltrust.org.uk
  • Post date: 3 yesterday
  • Rating: 4(574 reviews)
  • Highest rating: 4
  • Low rated: 3
  • Summary: They’re formed from the skeletal remains of minute planktonic green algae that lived floating in the upper levels of the ocean. When the algae died, their …

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9.Chalk Facts for Kids

  • Author: kids.kiddle.co
  • Post date: 7 yesterday
  • Rating: 5(1223 reviews)
  • Highest rating: 5
  • Low rated: 2
  • Summary:

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