1. Compare Stearns' Type 1 fracture pattern to the okl and the hk0 joints from the class notes and from the text. Draw a diagram and discuss the nature and occurrence of the fracture(s)

1. Place all books and notes on the floor. 2. Read each question carefully, then read it again. 3. ThinkThinkThinkThinkThink

1. Place all books and notes on the floor. 2. Read each question carefully, then read it again. 3. ThinkThinkThinkThinkThink

1. Place all books and notes on the floor. 2. Read each question carefully, then read it again

1. What is the significance of the concept of \principal stress\? 2. Sketch a 2D stress ellipse for the case 01=5GPa and 02= 2GPa where 01 is vertical

Corresponding author. E-mail address: ring@mail.uni-mainz.de (U. Ring) 1 Institut für Geowissenschaften, Johannes-Gutenberg Universität, Becherweg 21, 55099 Mainz, Germany 2 Department of Geology and Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06520, USA January

1. Distribution of Deformation in the Crust divide the crust into deformation regimes based on temperature and depth A. Upper Crust (0 - 50 km)

1. Distribution of Deformation in the Crust divide the crust into deformation regimes based on temperature and depth A. Upper Crust (0 - 50 km)

Tectonic Earthquakes Most earthquakes occur at plate margins due to tension, compression or shearing forces. Rocks at plate margins are in constant motion and are being pushed, pulled, bent, twisted and folded

There will be a brief review of chapters 7 ñ 11 at the end of this lecture. There will be no lecture on Tuesday, November 13, 2001 (Reading Days)