Geology of Folding

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What is the term for the point of maximum curvature on a fold?

Crest Point

Axial Point

Hinge Point (correct)

Trough Point

What type of fold is characterized by a curved shape and a neutral surface?

Monocline

Synform

Anticline

Cylindrical Fold (correct)

What is the term for the angle between the axial surface and the horizontal?

Plunge

Climb

Dip (correct)

Strike

What type of fold is characterized by a repeated pattern of folding?

Refold Signup and view all the answers

What is the term for the surface that passes through the hinge point and is parallel to the axial plane?

Enveloping Surface Signup and view all the answers

What type of fold is characterized by a linear or curved shape with a horizontal axial surface?

Monocline Signup and view all the answers

What is the term for the point of lowest elevation on a fold?

Trough point Signup and view all the answers

What is the spatial relationship between the axial trough line and the fold?

The axial trough line is parallel to the fold Signup and view all the answers

What is the term for a fold with an inclined axial plane?

Inclined fold Signup and view all the answers

What is the process by which fold lines are formed?

Ductile deformation Signup and view all the answers

What is the term for a fold with a curved hinge?

Hinge fold Signup and view all the answers

What is the purpose of calculating the median surface?

To calculate the distance between inflection points Signup and view all the answers

What is the characteristic of a harmonious fold?

Similar layer thickness and spacing Signup and view all the answers

What type of fold has a horizontal axis and is formed due to horizontal bending?

Horizontal fold Signup and view all the answers

What is the name of the process by which folds are formed due to compression of layers?

Flexural slip Signup and view all the answers

What is the term used to describe the plunge of a fold?

Plunge Signup and view all the answers

What type of fold has a plunging axis and is formed due to compression?

Plunging fold Signup and view all the answers

What is the term used to describe the orientation of a fold axis relative to the horizontal plane?

Attitude Signup and view all the answers