Jurassic and Cretaceous Rock Formations Quiz
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Questions and Answers

What type of rocks does the northeastern corner of the Galala Bahri Plateau consist of during the Jurassic period?

  • Sedimentary rocks with layers of gypsum
  • Metamorphic rocks with layers of coal
  • Igneous rocks with layers of coal
  • Sand rocks with layers of limestone, marl, and clay (correct)
  • What is the characteristic of the rocks in the southern half of Egypt during the Cretaceous period?

  • Rich in silver and gold minerals
  • Storehouse of fossil groundwater (correct)
  • Abundance of volcanic rocks
  • Presence of abundant coal deposits
  • Where are the deposits of iron oxides suitable for the manufacture of dyes found during the Cretaceous period?

  • Near Aswan (correct)
  • Near Luxor
  • Near Alexandria
  • Near Cairo
  • Which region mentioned has an absence of coal during the Jurassic period?

    <p>Northeastern corner of the Galala Bahri Plateau</p> Signup and view all the answers

    What is a significant industrial use of phosphate mentioned in the text?

    <p>Manufacture of fertilizer</p> Signup and view all the answers

    Where are the limestone and chalkstones appearing in the Sinai Peninsula during the Cretaceous period exploited?

    <p>Qusayr and Safaga on the Red Sea coast</p> Signup and view all the answers

    Why is proper disposal of phosphate rock wastes crucial?

    <p>To prevent negative impacts on the environment and human health.</p> Signup and view all the answers

    What is one of the additional industrial applications of phosphate rocks mentioned in the text?

    <p>Glass manufacturing.</p> Signup and view all the answers

    How can recycling phosphate mine waste rocks contribute to a more sustainable mining industry?

    <p>By improving the efficiency of the phosphorus extraction process.</p> Signup and view all the answers

    What are the potential risks associated with the improper handling of waste from phosphate rock mining sites?

    <p>Trace element contamination and risks to human health.</p> Signup and view all the answers

    Why is understanding the environmental considerations of phosphate rocks important?

    <p>To manage and utilize resources sustainably.</p> Signup and view all the answers

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