Orogen - Study guides, Class notes & Summaries

Theory of mountain building [ Geosyncline] theory was proposed by an Australian geologist in 1955 on the basis of force of contraction which was produced by the cooling of the earth surfaces. Kober describes the two zones; 1. Orogen 2. Kartogen However, he defined the three stages of the mountain building. 1. Lithogenesis 2. Orogenesis 3. Giptogenesis.

The Appalachian Mountains are a good example of anticlines and synclines. True A zone of contact metamorphism called a(n) _____ is sometimes found in igneous rocks. Aureole (ch10. pg. 294). Regional metamorphism is most common in orogenic areas. True (ch10 pg 295) Tensional (or extensional) stress causes faults? Normal ( Tensional (or extensional) stress, stress that stretches or pulls apart the crust, causes normal faults)ch9 pg 256 The San Andreas Fault is a___...

Lecture notes on Structural Geology and Mountain Building