一、选择填空题(每小题 1 分，共 10 分) 1、 矿体产于岩浆岩体的底部、与围岩渐变、矿石矿物为自形晶结构、围岩没有明显蚀变现象的矿床属于( )

hangingwall ramp A- Ramps and flats hangingwall B-Hangingwall ramp and footwall footwall ramp footwall ramp B C-? thrust sequence New thrusts develop in the footwall

Determination of the relative movement of the two walls from the tension joints

TERMINOLOGY FOR DISPLACEMENT a is the rake angle

Main Bedding Types Bedding Shape level bedding ripple bedding Main Types of plate laminae

Review Show the homework and note book on your desk Practise measurement of attitude of planes and lines in the models

Determination of the top sur faces of the beds from the scour surfaces

Chapter 2 Primary Sedimentary Structures Main types of bedding Determination of younger direction of beds from primary structures Types of stratigraphic break Angular unconformity Soft sedimentary structures

Chapter One Introduction Goals Outline Two supports Types of structures QA uantitative techniques pplication Suggestion

1.在地形地质图上求地质界面的产状 1.1求解条件 大比例尺地形地质图;测定范围内地质界面的产状稳定、界面平直连续