Structure
Op ch11 lecture_earth3, Orogeny
Mountain building1
Relief
Chapter 9 – FOLDS, FAULTS & GEOLOGIC MAPS. Rock Deformation Stress –Force acting on surface, per unit area Pressure –Confining (uniform) Stress is equal.
11.1 Mountain Building : Forces in Earth’s Crust Mountain Building Forces in Earth’s Crust.
Structural Geology Deformation of rocks produces: folds, joints, faults Deformation of rocks produces: folds, joints, faults.
OF ROCKS [L17 P. 363-373 /IP-B] DEFORMATION OF ROCKS [L17 P. 363-373 /IP-B]
1 Natural Disasters Earthquakes & Their Damages. 2 San Francisco - 1906 M = 7.8; 3,000 killed.
11.1 Mountain Building : Forces in Earth’s Crust
What is an Earthquake Over 30,000 happen each year worldwide that are strong enough to be felt Only about 75 major earthquakes take place each year.