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Strike And Dip practical measurements in engineering geology

1. STRIKE AND DIP

2. OUR TEAM DECHEN TSHOKEY WANGMO GANA SHYAM MISHRA JIGME YOEZER LEKI WANGCHUK KUENZANG DORJI

3. INTRODUCTION In geology, strike and dip are fundamental concepts used to describe the orientation of rock layers. Understanding these measurements is crucial for interpreting geological structures and processes. This presentation will explore the techniques for measuring strike and dip, as well as their geological significance

4. WHAT?

5. HOW THEY ARE MEASURED Strike is measured using a compass. The geologist identifies a horizontal line on the surface of the inclined rock layer (typically using a leveling tool or by observing the feature) and measures the azimuth direction (angle) of this line relative to true north. The dip is measured with a clinometer, which gives the angle of inclination from the horizontal plane. It is taken perpendicular to the strike direction. The dip direction is noted as the compass bearing (azimuth) in which the dip is inclined.

6. PROCESS (BRUNTON COMPASS)

7. OTHER METHODS Smart Phone Apps Bottle of Water Right Hand Rule

8. IMPORTANCE Mapping and Analysis: Strike and dip provide critical information about the orientation of rock layers, faults, and subsurface feature like anticline and syncline. They help geologists create accurate maps and cross-sections of subsurface geology. Predicting Rock Behavior: Understanding strike and dip can help predict the behavior of rock layers during tectonic events, such as earthquakes or mountain building, as they reveal how rocks are folded, faulted, or fractured.

9. IMPORATNCE Resource Exploration: In industries like mining, oil, and gas, knowing the strike and dip of rock formations is essential for locating valuable resources like minerals, oil, and natural gas. Slope Stability: In civil engineering and landslide analysis, knowing the strike and dip of rock layers helps assess the stability of slopes, ensuring that construction projects are safe.

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