1. Place all books and notes on the foor 2. Read each question carefully, then read it again 3. Think before you write

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

1. Calculate the force at the base of a continental block that has a uniform thickness of 25km, length of1000km, width of500km, and density of2.70. What is the stress on the bottom of the block?

September 8, 2000 1. Describe the difference between slip and separation on a fault. 2. What type of offset() can be interpreted from the map below? Give a detailed description of your logic on the back of the page

1. Interpret the geologic history of the Grand Canyon using the diagram below. List the events in order from the oldest (at the bottom of the page) to the youngest(at the top of the page). For each event describe the principle or observation you used

1.什么是构造地质学?研究意义何在? 2.构造地质学的研究方法包括什么?你知道多少? 3.构造地质学的研究内容包括那几个方面?构造地质学的学科分类与学科交叉关?

二、填空(15分,每空1分) 第一章、绪论: 1.构造地质学是研究地质构造的( )、( )、( )和( )的学科

一、名词解释(20分,每小题2分) 1.递进变形;2.枢纽;3.张节理;4.地垒与地堑;5.水平断

一、解释下列术语: 1.双重构造;2.有效应力;3.铲状断层;4花状构造;5.石香肠构造与窗棂构造

一、基本概念 1.地质构造的尺度;2.碎裂流动:3.压溶作用:4.断层效应;5.断层擦痕的倾伏与侧 伏;6.深成侵入岩体形成的底辟作用与气球膨胀作用;7.构造序列和构造组合;8.变质 核杂岩