1基本地质概况 小牛山位于武汉市东湖风景区 鲁磨路西侧、方家湾东南侧,构造 上位于轴向呈近东西向延伸的喻家 山-风筝山向斜南翼,主要出露地层 为下二叠统茅口组薄层硅质岩和中 薄层硅质岩。在露头上可观察到的 构造地质现象主要有:小褶皱、断 层、节理和石香肠构造等

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

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

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

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

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

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

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