一、元素 二、矿物 三、岩石

Geology 3063 august 28. 2000 How can tabular-planar crossbeds be used to determine younging direction?

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

1. Draw a 2 dimensional Mohr Circle representation for the following stress conditions

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

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