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

GPS Survey: Tibet, Tarim Basin, Tian Shan Station velocity w r t. Siberia

Review Primary sedimentary structures Faults (thrust system, extensional fault system, strike-slip fault system) · Joints(tension joints, conjugate joints,en echelon joints) Folding (bending, buckling, flexural slip, flexural flow, passive folding, kinking)

TERMINOLOGY FOR DISPLACEMENT a is the rake angle

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

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