MOVEMENTOFTHEEARTHSCRUST
... • Normal Fault : tension causes the hanging wall to move down relative to the foot wall. • Reverse Fault : compression causes the hanging wall to move up relative to the foot wall. • Strike – Slip Fault : shearing causes the blocks of rock to move horizontally past one another. ...
... • Normal Fault : tension causes the hanging wall to move down relative to the foot wall. • Reverse Fault : compression causes the hanging wall to move up relative to the foot wall. • Strike – Slip Fault : shearing causes the blocks of rock to move horizontally past one another. ...
Geology of the Hawaiian Islands
... • Permanent change in shape or size that is not recovered when the stress is removed • Occurs by the slippage of atoms or small groups of atoms past each other in the deforming material, without loss of cohesion ...
... • Permanent change in shape or size that is not recovered when the stress is removed • Occurs by the slippage of atoms or small groups of atoms past each other in the deforming material, without loss of cohesion ...
EGU2017
... bedding measured in the field shows N25W/45NW and N60W/4SE-oriented fold axes in the Paleocene-Eocene age units. There are also N76W/12SE and N88E/8NE-oriented folds. The difference in fold-axis orientations suggests that some folds may have been rotated in blocks bound by faults during the post-Pal ...
... bedding measured in the field shows N25W/45NW and N60W/4SE-oriented fold axes in the Paleocene-Eocene age units. There are also N76W/12SE and N88E/8NE-oriented folds. The difference in fold-axis orientations suggests that some folds may have been rotated in blocks bound by faults during the post-Pal ...
Tectonic Movement – Plates and Faults
... Eurasian plate resulted in an intense folding period lasting about 50 years. Dublin/Wicklow Mountains are an example of such folds. The most dominant foldings that affected Munster are the Armorican folding’s, which shaped much of the region. About 270 million years ago, the Eurasian and African pla ...
... Eurasian plate resulted in an intense folding period lasting about 50 years. Dublin/Wicklow Mountains are an example of such folds. The most dominant foldings that affected Munster are the Armorican folding’s, which shaped much of the region. About 270 million years ago, the Eurasian and African pla ...
Summary of the Glenn Creek Quadrangle
... the folds and likely formed with the thrusting in the area but could have been part of an earlier orogenic event. Other parasitic folds are also present between the major anticline and syncline. These are hard to distinguish because of the thrusting event that proceeded the folding. The next event t ...
... the folds and likely formed with the thrusting in the area but could have been part of an earlier orogenic event. Other parasitic folds are also present between the major anticline and syncline. These are hard to distinguish because of the thrusting event that proceeded the folding. The next event t ...
Section: Deforming the Earth`s Crust
... ______ 8. a fold where both ends of the rock layer are horizontal ______ 9. a downward, troughlike fold in a rock layer ______10. an upward arching fold in a rock layer FAULTING ______11. When rock layers break, the resulting surface they break and slide on is a a. wall. c. fault. b. slide. d. fold. ...
... ______ 8. a fold where both ends of the rock layer are horizontal ______ 9. a downward, troughlike fold in a rock layer ______10. an upward arching fold in a rock layer FAULTING ______11. When rock layers break, the resulting surface they break and slide on is a a. wall. c. fault. b. slide. d. fold. ...
Diastrophism
... continental blocks become folded and faulted under compressional stresses and are pushed upward to form fold and thrust mountains. i.e. The Himalayan Mountains (currently the highest on Earth) are mountains of this type and were formed as a result of the Indian Plate colliding with the Eurasian plat ...
... continental blocks become folded and faulted under compressional stresses and are pushed upward to form fold and thrust mountains. i.e. The Himalayan Mountains (currently the highest on Earth) are mountains of this type and were formed as a result of the Indian Plate colliding with the Eurasian plat ...
A1 Sample answer
... 2010: Examine how the study of Plate Tectonics helped us to understand the Global Distribution of Fold Mountains Fold Mountains are formed when two continental plates come together at a convergent plate boundary. As the plates come together immense pressure builds up and the plates buckle and fold t ...
... 2010: Examine how the study of Plate Tectonics helped us to understand the Global Distribution of Fold Mountains Fold Mountains are formed when two continental plates come together at a convergent plate boundary. As the plates come together immense pressure builds up and the plates buckle and fold t ...
Chapter 6 Section 3
... • Folds can range from centimeters wide to hundreds of kilometers wide. • Rock layers can bend into symmetrical or asymmetrical folds. • In a symmetrical fold, each limb dips in the same way. • In an asymmetrical fold, one limb may dip more steeply than the other does. • An overturned fold is a fold ...
... • Folds can range from centimeters wide to hundreds of kilometers wide. • Rock layers can bend into symmetrical or asymmetrical folds. • In a symmetrical fold, each limb dips in the same way. • In an asymmetrical fold, one limb may dip more steeply than the other does. • An overturned fold is a fold ...
blue mountain anticline at macedonia
... deformation of these rocks took place later during the Alleghanian mountain-building event of the Permian Period, approximately 270 million years ago when Africa and North ...
... deformation of these rocks took place later during the Alleghanian mountain-building event of the Permian Period, approximately 270 million years ago when Africa and North ...
Faults, Folds, and Landscapes - Cal State LA
... Plunging Folds and Associated Landscapes • Anticlines and synclines often plunge; axes dip ...
... Plunging Folds and Associated Landscapes • Anticlines and synclines often plunge; axes dip ...
Lecture 11 Structural Geology
... • Types of faults. a) Normal faults, caused by tensional forces, result in extension. b) Reverse faults, caused by compressional forces, result in shortening. c) Strike-slip faults associated with shearing forces. d) Oblique slip suggests a combination of shearing and compression/tension. (Press an ...
... • Types of faults. a) Normal faults, caused by tensional forces, result in extension. b) Reverse faults, caused by compressional forces, result in shortening. c) Strike-slip faults associated with shearing forces. d) Oblique slip suggests a combination of shearing and compression/tension. (Press an ...
What landforms are at different plate boundaries?
... • The difference between composite volcanoes which are associated with destructive plate margins and shield volcanoes which are associated with constructive plate margins. ...
... • The difference between composite volcanoes which are associated with destructive plate margins and shield volcanoes which are associated with constructive plate margins. ...
Chapter 10 – Crustal Deformation
... • Strike is the direction on the surface of the rock formation – described by two directions ie. N-S, E-W, NE-SW • Dip is always perpendicular to strike and is described by only one direction – N, S, E, W or NW, SE etc. • Often it is easier to find the dip of a rock unit first and then describe the ...
... • Strike is the direction on the surface of the rock formation – described by two directions ie. N-S, E-W, NE-SW • Dip is always perpendicular to strike and is described by only one direction – N, S, E, W or NW, SE etc. • Often it is easier to find the dip of a rock unit first and then describe the ...
primary and secondary geological structures
... Secondary: these are the real structures we’re after- and are due to rock regional deformation. Examples: Folds, faults, shear zones, etc. QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. ...
... Secondary: these are the real structures we’re after- and are due to rock regional deformation. Examples: Folds, faults, shear zones, etc. QuickTime™ and a Photo - JPEG decompressor are needed to see this picture. ...
Earth`s Crust
... 2. Tension – is the pulling apart of the earth’s crust. Divergent boundary. 3. Shearing – pushes rocks side by side in opposite directions. Transform boundary. ...
... 2. Tension – is the pulling apart of the earth’s crust. Divergent boundary. 3. Shearing – pushes rocks side by side in opposite directions. Transform boundary. ...
Earth_sCrust2
... 2. Tension – is the pulling apart of the earth’s crust. Divergent boundary. 3. Shearing – pushes rocks side by side in opposite directions. Transform boundary. ...
... 2. Tension – is the pulling apart of the earth’s crust. Divergent boundary. 3. Shearing – pushes rocks side by side in opposite directions. Transform boundary. ...
Geology of Landscapes
... over millions of years by gradual application of heat and pressure. – assume there was no global flood • Creationists believe that the folding of rocks took place during the Great Flood some 4400 years ago. ...
... over millions of years by gradual application of heat and pressure. – assume there was no global flood • Creationists believe that the folding of rocks took place during the Great Flood some 4400 years ago. ...
Folding and Faulting
... DOMING 2 Types; -When rising magma raises rock upwards -The result of compression Eg; Slieve Bloom Mountains, Laois/Offaly ...
... DOMING 2 Types; -When rising magma raises rock upwards -The result of compression Eg; Slieve Bloom Mountains, Laois/Offaly ...
Folded Mountains
... The bending of rock layers in response to stress in the earth’s crust is called folding. All folds have a hinge and 2 limbs. Limbs are the sloping sides of a fold. A hinge is the bend where the two limbs meet. ...
... The bending of rock layers in response to stress in the earth’s crust is called folding. All folds have a hinge and 2 limbs. Limbs are the sloping sides of a fold. A hinge is the bend where the two limbs meet. ...
4. Fold Mountains - Moyle Park College
... remains sank to the ocean floor when they died. • Their remains were trapped in newly forming rocks which are later pushed up from under the sea when plates collide to make fold mountains. ...
... remains sank to the ocean floor when they died. • Their remains were trapped in newly forming rocks which are later pushed up from under the sea when plates collide to make fold mountains. ...
Results of Stress
... a.Rocks do not always respond to stress by folding. Under certain conditions rocks will actually break when stress is applied. b.Faulting & Fracturing of rocks generally occurs nearer to the Earth’s surface where the rocks are cooler and under less pressure. c.A fracture is a break in rock where the ...
... a.Rocks do not always respond to stress by folding. Under certain conditions rocks will actually break when stress is applied. b.Faulting & Fracturing of rocks generally occurs nearer to the Earth’s surface where the rocks are cooler and under less pressure. c.A fracture is a break in rock where the ...
File - Gonzaga Geography
... each other or a continental and an oceanic plate. – The movement of the two plates forces sedimentary rocks upwards into a series of folds. – Fold mountains are usually formed from sedimentary rocks and are usually found along the edges continents. This is because the thickest deposits of sedimentar ...
... each other or a continental and an oceanic plate. – The movement of the two plates forces sedimentary rocks upwards into a series of folds. – Fold mountains are usually formed from sedimentary rocks and are usually found along the edges continents. This is because the thickest deposits of sedimentar ...