Lecture 25 of 48WEEK 8: Folds and mechanisms; Superposition of folds
Folds and Folding: Dip Isogons and Mechanisms
Prof. Santanu Misra · IIT Kanpur
Credits and licence
- From
- Structural Geology, IIT Kanpur (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- Introduction-I
- Introduction-II
- Structural Elements and Measurements
- How to measure strike-dip-pitch/rake-plunge
- Stereographic Projection in Structural Geology
- Concept of Strain and Deformation (Part-I)
- Concept of Strain and Deformation (Part-II)
- Strain Measurement
- Stress (Part- I)
- Stress (Part- II)
- Basics of Rheology (Part-I)
- Basics of Rheology (Part-II)
- Basics of Rheology (Part-III)
- Complex Rheology
- Role of External Parameters
- Crystal Defects and associated structures
- Cataclastic Deformation
- Intracrystalline Deformation
- Diffusive Mass Transfer
- Planar Fabrics (Foliation/ Cleavage/ Schistosity)- I
- Planar Fabrics (Foliation/ Cleavage/ Schistosity)- II
- Linear Fabrics (Lineation)
- Folds and Folding: Basic Concepts
- Folds and Folding: Classifications
- Folds and Folding: Dip Isogons and Mechanisms
- Folds and Folding: Superposed Folding
- Porphyroblasts
- Boudinage & Pinch-and-Swell Structures-I
- Boudinage & Pinch-and-Swell Structures-II
- Stereonet Problem I: True dip from two apparent dips
- Stereonet Problem II: True dip from strike and one apparent dip
- Stereonet Problem III: Pole to the Plane
- Stereonet Problem IV: Fold axis and Axial plane
- Stereonet Problem V: Fold geometry from pole data of two limbs
- Fractures and Joints I
- Fractures and Joints II
- Faults and Faulting I
- Stereonet Problem VI: Fold geometry from interlimb angle and fold axes
- Stereonet Problem VII: Fold geometry from pitch of the limbs on another plane
- Faults and Faulting II
- Ductile Shear Zones I
- Ductile Shear Zones II
- Basic of Litho-Structural Mapping
- Paleostress analysis
- Graphical Problem
- Three point problem
- Construction of topographic profile
- Construction of Geological Cross-section