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INFORMATION
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INFORMATION
What the course comprises.

DISCUSSIONS 
Topics for  discussion sessions and links to information on these topics
RESOURCES 
Access to class materials and reference to relevant text chapters for each topic

ASSIGN.  
Details of assignments and resources on these topics

SYNOPSIS
A summary of course themes and learning objectives

SCHEDULE
The planned sequence of coverage for lecture topics
 
G302 DISCUSSIONS 

PLEASE complete the Discussion Topic #2 Survey on Oncourse before investigating the Links below


Questions Concerning the Growth of the Continents

  • What processes control the formation of the Earth's crust?
    • Where is new crust being formed today?
    • Crust is either oceanic or continental 
  • Have the processes of crustal formation remained uniform over geological time?
    • What controls crust formation?
    • How might the conditions that control crust formation have changed through Earth history?
    • Would the crust formed early in Earth history be similar to today's newly forming crust?
  • How do oceanic and continental crust differ and why?
    • What is different about their formation?
    • What is different about their chemical compositions, minerals and rock types?
  • How have the continents and oceans evolved over time?
    • Has the relative proportions of continents and oceans remained constant?
    • How are ancient continents differ from younger continents?
    • How do continents grow?

Websites with Resources and Information on Tectonics, Crust Formation and Early Continents

 
 
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Indiana University
Department of Geological Sciences, 
1001 E. Tenth Street, Bloomington, IN 47405-1403
Phone: (812) 855-5582  Last updated: 18 February 2004
Comments: simon@indiana.edu
Copyright 2004, The Trustees of Indiana University