Types of Sinkholes

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Questions and Answers

What type of sinkhole develops suddenly over an hour period, causing catastrophic damage?

  • Artificial Sinkhole
  • Cover Collapse Sinkhole (correct)
  • Dissolution Sinkhole
  • Cover Subsidence Sinkhole

In what type of soil or rock foundation do sinkholes usually occur?

  • Marble
  • Limestone (correct)
  • Quartz
  • Granite

Which type of sinkhole is caused by human activities such as groundwater pumping?

  • Artificial Sinkhole (correct)
  • Dissolution Sinkhole
  • Cover Collapse Sinkhole
  • Cover Subsidence Sinkhole

What is the most intense factor causing limestone or dolomite dissolution in sinkhole formation?

<p>Groundwater Contact (C)</p> Signup and view all the answers

What type of sinkhole gradually grows in areas with permeable sediment covers containing sand?

<p>Cover Subsidence Sinkhole (C)</p> Signup and view all the answers

What is one of the natural causes of sinkholes?

<p>Dissolution of sedimentary rocks (B)</p> Signup and view all the answers

Which of the following is a human cause of sinkholes?

<p>Underground water pumping (A)</p> Signup and view all the answers

What is NOT a warning sign of an impending sinkhole?

<p>Increased vegetation growth (B)</p> Signup and view all the answers

Which of the following is a warning sign of an impending sinkhole related to a home?

<p>Cracking or buckling of the home's concrete slab (C)</p> Signup and view all the answers

What type of map shows geological features and rock units?

<p>Geological map (B)</p> Signup and view all the answers

What is NOT mentioned as a way to symbolize geology on a geological map?

<p>Contour lines (D)</p> Signup and view all the answers

What is the most common warning sign that the ground is less solid than it seems?

<p>J-curved trees (C)</p> Signup and view all the answers

What is a sinkhole?

<p>A topographic depression caused by groundwater dissolving limestone bedrock (D)</p> Signup and view all the answers

What is a common cause of sinkhole formation?

<p>Excessive groundwater pumping (A)</p> Signup and view all the answers

Which of the following is NOT a warning sign of an impending landslide?

<p>Cracks on flat terrain (A)</p> Signup and view all the answers

What is the relationship between water and landslides according to the text?

<p>Both a and b (B)</p> Signup and view all the answers

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