I. Most folding of rocks occurs near the surface. True False The Appalachian Mou

Question

I. Most folding of rocks occurs near the surface. True False The Appalachian Mountains are the result of the collision that created Pangaea. True 2· False 3. A fold that has axial beds that are younger than those of its limbs and limbs that dip toward its axis is called a(n) 4. The best example of continuing orogeny at an oceanic-continental plate boundary is the Andes. True False 5. Most orogenesis takes place on oceanic-oceanic convergent plate boundaries. True False 6. Continental crust is always thicker than oceanic crust True 7. If both limbs of a fold dip in the same direction, the fold is 8. Movement along the San Andreas is: False a. compressional. b. tensional. c. right-lateral. d. left-lateral. e. vertical. 9. The truly large mountain systems of the world are found at plate boundaries. 10. A fault with both dip-slip and strike-slip movement is classified as a thrust fault. True False 11. Divergent plate boundaries are responsible for most orogenesis. True False 12. The Appalachian Mountains are the result of a continental-continental plate collision. True False 13. The Andes formed as result of oceanic-continental convergence. Tre False

Explanation / Answer

1. It is true that most of the folding occurs near the surface of the earth. Like the Alps and The Himalayas are formed because of oceanic-continental convergence.

2.The cause of the appalanchian mountains formed was because of  the merging of all continents into the pangea which was the supercontinent.

3. Vergence is the direction in which the axial plane of fold has been tilted.

4.It is true that andes are the best examples of and oceanic-continental plate boundary. These are formed due to oceanic-continental convergence. In which oceanic plate subducts under continental plate.

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