Ferguson Ridge Rockslide Quiz
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Questions and Answers

When did the Ferguson Ridge rockslide occur?

On April 29, 2006

What is the common name for the Ferguson landslide?

Ferguson Slide

What was the duration of the rockslide at Ferguson Ridge?

3 minutes and 45 seconds

What caused the Ferguson landslide?

<p>Resulted from the erosion dynamics of the river valley</p> Signup and view all the answers

What type of rock composed the Ferguson Slide?

<p>slate and phyllite</p> Signup and view all the answers

What was the duration of the rockslide at Ferguson Ridge?

<p>3 minutes and 45 seconds</p> Signup and view all the answers

What led to the closure of State Route 140 at the location of the Ferguson Slide?

<p>the prehistoric Ferguson slide becoming active and burying the entire route</p> Signup and view all the answers

What allowed one-way traffic around the Ferguson Slide and into the park?

<p>temporary bridges</p> Signup and view all the answers

What were the dynamics that resulted in the Ferguson Slide being a natural phenomenon?

<p>erosion dynamics of the river valley</p> Signup and view all the answers

When did the rockslide or landslide occur at Ferguson Ridge in Mariposa County?

<p>April 29, 2006</p> Signup and view all the answers

What type of rock is the slide composed of?

<p>slate and phyllite</p> Signup and view all the answers

What was the duration of the rockslide or landslide at Ferguson Ridge?

<p>3 minutes and 45 seconds</p> Signup and view all the answers

What is the commonly used name for the Ferguson landslide?

<p>Ferguson Slide</p> Signup and view all the answers

What triggered the re-activation of an older slide at Ferguson Ridge?

<p>an exceptionally wet spring</p> Signup and view all the answers

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