• 节理分类 • 雁列节理 • 节理的岩脉充填机制和压溶作用 • 区域性节理

一、名词解释 1.地质构造一指组成地壳的岩层或岩体在内外动力地质作用下发生变形和 变位,如褶皱、节理、断层、劈理以及各种线理和面理构造等

1.几种典型的褶皱的基本几何特征 平行褶皱 相似褶皱 协调褶皱 不协调褶皱

OBSERVATION OF TECTONIC SAMPLES Observe tectonic samples in the STRUCTURAL SCOPE. Discuss what you observed with your group members. Select one representative of the group to exchange ideas with other groups in the class

Planar fabric Linear fabric and the size and elements In one dimension is Are parallel to much Longer than that in one another the other two dimensions

1.1破裂构造 破裂(FRACTURE)指岩石体(地质体)中由脆性破裂作用形成的不连续面(带·特征岩石体(地质体或物体)失掉连续性

1.褶皱等倾斜线图的编制 1.1褶皱等倾斜线图的编制

INTRODUCTION TO STEREOGRAPHIC PROJECTIONS Basic principles Basic procedures Exercise in class

hinge lines axis A axial plane axial surface B (imaginary) Axis axial plane and axial surface

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