克拉玛依职业技术学院：《地质构造分析》课程教学课件（讲稿）41 准噶尔盆地地质简介

克拉玛依职业技术学院：《地质构造分析》课程教学课件（讲稿）10 读倾斜岩层和不整合接触地质图并作剖面图

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

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

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

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

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

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

TERMINOLOGY FOR DISPLACEMENT a is the rake angle