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、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

褶皱几何要素在赤平投影图上的特征和求解方法

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

掌握极射赤平投影的基本操作方法，在吴氏网上准确地读出构造 要素的有关数据；

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?