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Ductile (Plastic) Deformation Folding
Stress vs. Strain Rheology Deformation Force
Folded Structures 1.Anticlines 2.Synclines 3.Monoclines 4.Basins 5.Domes
Anticline - oldest rock formation in the middle.
Syncline - youngest rock formation in the middle.
Syncline in Eastern Tennessee
Plunge - the inclination of the fold axis
Plunge Measured from a horizontal line.
Peru Monocline – caused by basement-block faulting
Anticlines and Synclines
Domes Oldest rock in center Basins Youngest rock in center
Map view of structures Map Symbols
Black Hills Dome
Black Hills Geology
Plunging Anticlines And Synclines
Sheep Mountain Anticline, Wyoming
Wisconsin Arch Mich. Basin Cincinnati Arch Nashville Dome Ozark Dome Forest City Basin Kankakee Arch Illinois Basin Mississippi Rvr. Arch
Geologic Maps Geology 100 Geology for Environmental Scientists.
GEOLOGIC STRUCTURES “Architecture of bedrock” Structural Geology- –shapes, –arrangement, –interrelationships of bedrock –units & forces that cause them.
Geologic Maps and Structures Lab 2a Geology 208. Geologic Maps: Snoqualmie Pass.
Structural geology & mountain building. key terms Deformation – change in the original form, size or shape of a rock unit Stress – amount of force applied.
Ch 15 (Part I): Crustal deformation Today:. Ch15 (Pt I): Crustal Deformation 1) Deformation 2) Mapping geologic structures 3) Folds.
Folds, Faults, and Geologic Maps Chapter 9 Geology Today Barbara W. Murck & Brian J. Skinner N. Lindsley-Griffin, 1999 Folds, South Georgia Island.
Folds and Faults hScienceWork/FoldFault/FoldFaul tGeologyNotes.htm.
Structural Geology Crustal Deformation. Structural geology Structural geologists study the architecture and processes responsible for deformation of Earth.
Mountain Building Folding and Faulting. Stress in the Crust Stress from plate motions causes crustal rocks to deform –Rocks near the surface are cool.
Deforming the Earths Crust Beth Roland Team 5 Mountaineers Eighth Grade Science.
Crustal Deformation. Types of Deformation Folds Faults & Joints.
Crustal Deformation Structural Geology. Structural Geology +Tectonic collision deforms crustal rocks producing geologic structures. ! Folds ! Faults !
Folds Rocks are often bent into a series of wave-like undulations called folds Characteristics of folds Folds result from compressional stresses which.
Tectonic deformation and geologic structures. Mountain building Anatomy of a convergent mountain belt Valley & ridge Blue ridge.
Lecture Outlines Physical Geology, 12/e Plummer & Carlson Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
© 2011 Pearson Education, Inc. Earth: An Introduction to Physical Geology, 10e Tarbuck & Lutgens.
Deformation and Geologic Structures. Structural Geology Structural geology is the study of the three-dimensional distribution of rock units with respect.
© 2011 Pearson Education, Inc. Crustal Deformation Earth, 10e - Chapter 10.
Folds, Faults & Geologic Maps 1. Rock deformation Deformation is a general term that refers to all changes in the original form and/or size of a rock.
Rock Deformation and Geologic Structures. How do we measure rock deformation? What causes rocks to deform? How do geologic structures relate to stress,
Stress: Force per unit area Strain: Change in length/area/volume to original length/area/volume Rocks are subjected to great forces- particularly.
Orogenesis quiz. 1.List the 4 factors affecting rock deformation (4 points) 2.____ is the general term that refers to all changes in the original shape.
Structural Geology. +Tectonic collision deforms crustal rocks producing geologic structures. ! Folds ! Faults ! Joints and Fractures +Tectonic collision.
Forces In Mountain Building Chapter 11. Tectonic Structures Tectonics is the study of crustal deformation and structural behavior. Plate Tectonics is.
Chapter 11 Deformation of the Crust. What causes this to happen? 1. Plate Movement.
Undisturbed Layers. How is rock deformation discussed? (stress and strain relationships) Stress force (pressure) acting on the rock surface force (pressure)
Types of Metamorphism Regional metamorphism –Large scale – large volume of rock is affected –Associated with convergent plate margins and mountain building.
X. Deformation and. Mountain Building A.Plate Tectonics and Stress B.Rock Deformation C.Geologic Structures D.Origin of Mountains E.Continental Crust.
It’s your fault! Folding and faulting of rocks. The stresses of crustal rock As you learned last section, stress causes strain in crustal rock in three.
Crustal Deformation and Mountain Building. Behavior of rocks to stress & strain Elastic –Elastic limit Plastic Brittle Stress Strain.
GLG Physical Geology Bob Leighty Geologic Structures.
GEOTECHNICS AND APPLIED GEOLOGY VIMAL SORATHIA. ( ) DEEP VYAS. ( ) JAINAM SHAH. ( ), ABHISHEK TRIVEDI. ( )
Warm Up 12/3 1.The type of deformation in which the object permanently changes size and shape without fracturing is called ____. a. stress deformationc.
Forces In The Earths Crust Folds are usually formed when rocks are squeezed together by compressive forces. Source: NASA Goddard Space Flight Center An.
Lecture Outlines Physical Geology, 14/e Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Plummer, Carlson &
Today’s list____________ Ch15: Rock Deformation 1)Mapping geologic structures 2)How rocks get deformed 3) Folds.
Mountains and Mountain Building: Chapter 11. Rock Deformation Deformation is a general term that refers to a change in size or shape of rocks in the earth's.
Structural Geology: Deformation and Mountain Building 1.
Earth Science, 12e Mountain Building Chapter 10. Deformation Deformation is a general term that refers to all changes in the original form and/or size.
Structure An Introduction to Deformation. Standards Describe the composition and structure of Earth’s materials.
Chapter 20 Geologic structures. How rocks respond to tectonic forces!
Harry Williams, Geomorphology1 Diastrophism - Folded, Faulted and Tilted Strata. Introduction Three types of deformation result from subjecting rock to.
Rock Deformation Chapter 11, Section 1. Factors Affecting Deformation Deformation – all changes in the original shape and/or size of a rock body Stress.
6.3 Notes Deforming the Earth’s Crust. Eventually when plates move together the continental crust collides It also pushes and folds the rocks into high.
Essentials of Geology, 9e Crustal Deformation and Mountain Building Chapter 17.
Dynamic Earth Class February The Flow of the Continents (Chapter 5) Building Mountains: Rock Deformation and Earthquakes.
Mountain Building Day 2 September 30, OBJECTIVES 9/30 I will be able to… CLASSIFY THE DIFFERENT TYPES OF MOUNTAINS ___________________ I will be.
Inuksuk - Nunavut, Canada Geneviève Hsueh TELLING TIME GEOLOGICALLY GEOLOGIC TIME SCALE Organizes all of Earth history into blocks of time utilizing.
11 CHAPTER 11 Mountain Building. Factors Affecting Deformation 11.1 ROCK DEFORMATION Factors that influence the strength of a rock and how it will deform.
Earth Science, 10e Edward J. Tarbuck & Frederick K. Lutgens.
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