Geology of North America's West Coast
30 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of mountains are the Andes an example of?

  • Continental-oceanic collision
  • Continental-continental collision (correct)
  • Oceanic-oceanic collision
  • Oceanic-continental collision
  • What is the term used to describe the crustal fragments of exotic material that are appended onto a continent during subduction?

  • Microcontinents
  • Batholiths
  • Forearc basins
  • Terrains (correct)
  • What is the process where islands or microcontinents get stuck onto a continent during subduction called?

  • Accretion (correct)
  • Deposition
  • Erosion
  • Sublimation
  • Which mountain range formed when Pangaea came together?

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

    What is the term for mountain building?

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

    Which type of mountains result from the steady subduction of lithosphere?

    <p>Island Arc Mountains (C)</p> Signup and view all the answers

    Which process causes small features to be subducted at convergent plate boundaries?

    <p>Subduction (A)</p> Signup and view all the answers

    What happens to the melting point of rock when water is present?

    <p>It decreases (C)</p> Signup and view all the answers

    What happens to the small features that get subducted at convergent plate boundaries?

    <p>They get melted (D)</p> Signup and view all the answers

    Which type of fault is characterized by vertical movement of the crust?

    <p>Normal fault (D)</p> Signup and view all the answers

    What type of stress is associated with strike slip faults?

    <p>Shear stress (A)</p> Signup and view all the answers

    Which fault is an example of a strike slip fault?

    <p>San Andreas Fault (B)</p> Signup and view all the answers

    Which type of convergence is exemplified by the Andes Mountains?

    <p>Oceanic-continental convergence (D)</p> Signup and view all the answers

    What type of rock is formed at the core of mountain chains formed by subduction?

    <p>Igneous rock (D)</p> Signup and view all the answers

    What is the initial stage of a convergent plate boundary called?

    <p>Passive margin (A)</p> Signup and view all the answers

    During the break of Pangaea, which plate began to subduct under North America?

    <p>Farallon Plate (A)</p> Signup and view all the answers

    What is the name of the plate that is currently off the coast of California?

    <p>Pacific Plate (C)</p> Signup and view all the answers

    What is the name of the plate that is left of the Farallon Plate?

    <p>Juan de Fuca Plate (A)</p> Signup and view all the answers

    Which type of mountain building exhibits deformation of a thick sequence of sedimentary rock called a golden thrust belt?

    <p>Appalachian type (C)</p> Signup and view all the answers

    Which mountain range is similar to the Appalachian Mountains and is found in northern Europe?

    <p>Himalayan Mountains (B)</p> Signup and view all the answers

    Which process takes place over millions of years and causes mountain ranges to erode away?

    <p>Erosion (A)</p> Signup and view all the answers

    What happens to the height of mountain ranges as they erode away?

    <p>They decrease (B)</p> Signup and view all the answers

    What is the force that pushes up mountain ranges called?

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

    What is the point of isostacy?

    <p>To maintain balance between gravity and uplift (C)</p> Signup and view all the answers

    How long does the process of crustal deformation usually take?

    <p>Thousands or millions of years (A)</p> Signup and view all the answers

    Which two continents collided to form the Appalachian Mountain range?

    <p>Africa and North America (C)</p> Signup and view all the answers

    What is the name of the orogeny that formed the southern part of the Appalachian Mountain range?

    <p>Allegheny orogeny (C)</p> Signup and view all the answers

    What principle explains why continental crust floats higher than oceanic crust in the mantle?

    <p>Isostasy (A)</p> Signup and view all the answers

    What is the term for the adjustment of the crust due to weight being added or removed?

    <p>Isostatic adjustment (D)</p> Signup and view all the answers

    What is the term for the rebound of the crust after the melting of a large ice sheet?

    <p>Isostatic rebound (A)</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser