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?

Complete the block diagrams for the following features. Be sure to include the appropriate map symbols on your drawings. Inclined anticline with hinge surface

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

地球的基本参数 地球的主要物理性质 地球的圈层构造 地球表面的地形

成都理工大学：《普通地质学及地貌》课程电子教案（PPT教学课件）第十一章 构造运动（2/2）

变质作用的概念 变质作用的影响因素 变质作用的主要类型 变质作用的基本规律

桥梁工程地质 桥梁组成: 1.正桥:位于河两岸桥台之间桥墩位于河中 2.引桥连接正桥与原线的建筑物可以是高路堤 3.导流建筑:护岸、护坡、导流堤等

工程地质野外试验( field test) 优点: 缺点: 1.可测定难以取样的岩土 体的性质 1.难以控制边界条件 2.影响范围大,因而更具2.费工费时,成本高 代表性。 3.所测参数和岩土工 3可连续进行,因而可得程性质之间关系建 到完整的地层剖 立在大量统计的经 4.快速、经济,能大大缩验关系之上。 短勘察周期