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4. Plate tectonic processes cause sea-level to move up and down. The age of ocean lithosphere decreases as an ocean ridge is approached. 6. The Earth is expanding; seafloor is created but never destroyed.

4. Plate tectonic processes cause sea-level to move up and down. The age of ocean lithosphere decreases as an ocean ridge is approached. 6. The Earth is expanding; seafloor is created but never destroyed.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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True or False for numbers 4,5,6,7,8,9,10,11
corresponding PowerF the 3 Part 1 (11 points) Alternate A if the is Otherwise, Grading. An is at the end of this module. provided for further study, After studying the pro Explain shade letter E. 1. "Plate" is synonymous to "continent". E2. All plates are presently moving in the same direction. 4. 4 Plate toms anit through the ocean and oceanic currents are responsible for continental umt Plate tectonic processes cause sea-level to move up and down. 5. The age of ocean lithosphere decreases as an ocean ridge is approached. 6. The Earth is expanding; seafloor is created but never destroyed. 7. The entire seafloor is the same age The oceanic ridge systems are the longest mountain ranges on Earth. 8. 9. The oldest rocks on Earth are found in ocean basins. 10. The seafloor is flat or bowl-shaped and the deepest portion is in the middle. 11. The seafloor is the same age as the continents. What can happen to rocks when they are exposed to stress? Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. The figure below shows three types of stresses acting on materials. How Rocks Respond to Difterential Stress o edk stress COMPRESSION (Compression caeses shortening) TENSION (Tension causes stretching) SHEAR (Shear distorts rock) Mageye At shallow depths shortening occurs by brittle deformation along fanlts where one rock mass is thrust over another. At shallow depths tensional stresses cause rocks to fracture and pull apart. At shallow depths shear stress causes offsets in crustal blocks along faults. crustal Jedeep TV recks deform by ductile flow At deeper crustal levels where temperatures are high, compressional forces squeeze and fold rock masses. At deeper crustal levels where temperatures are high, tensional forces stretch and elongate crustal materiais by ductile flow. At deeper crustal levels where temperatures are high, shear stress distorts rock masses by ductile flow, usually along shear zones. of and for the exclusive use of SLU. Reproduction, storing in a retrieval system, distributing, uploading or posting ansmitting in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise of any part of this document, without the prior written permission of SLU, is strictly prohibited.
Transcribed Image Text:corresponding PowerF the 3 Part 1 (11 points) Alternate A if the is Otherwise, Grading. An is at the end of this module. provided for further study, After studying the pro Explain shade letter E. 1. "Plate" is synonymous to "continent". E2. All plates are presently moving in the same direction. 4. 4 Plate toms anit through the ocean and oceanic currents are responsible for continental umt Plate tectonic processes cause sea-level to move up and down. 5. The age of ocean lithosphere decreases as an ocean ridge is approached. 6. The Earth is expanding; seafloor is created but never destroyed. 7. The entire seafloor is the same age The oceanic ridge systems are the longest mountain ranges on Earth. 8. 9. The oldest rocks on Earth are found in ocean basins. 10. The seafloor is flat or bowl-shaped and the deepest portion is in the middle. 11. The seafloor is the same age as the continents. What can happen to rocks when they are exposed to stress? Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. The figure below shows three types of stresses acting on materials. How Rocks Respond to Difterential Stress o edk stress COMPRESSION (Compression caeses shortening) TENSION (Tension causes stretching) SHEAR (Shear distorts rock) Mageye At shallow depths shortening occurs by brittle deformation along fanlts where one rock mass is thrust over another. At shallow depths tensional stresses cause rocks to fracture and pull apart. At shallow depths shear stress causes offsets in crustal blocks along faults. crustal Jedeep TV recks deform by ductile flow At deeper crustal levels where temperatures are high, compressional forces squeeze and fold rock masses. At deeper crustal levels where temperatures are high, tensional forces stretch and elongate crustal materiais by ductile flow. At deeper crustal levels where temperatures are high, shear stress distorts rock masses by ductile flow, usually along shear zones. of and for the exclusive use of SLU. Reproduction, storing in a retrieval system, distributing, uploading or posting ansmitting in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise of any part of this document, without the prior written permission of SLU, is strictly prohibited.
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