Presentation is loading. Please wait.

Presentation is loading. Please wait.

High Strain Rocks GLY Spring, 2012

Published byKelley Waters Modified over 6 years ago

Similar presentations

Presentation on theme: "High Strain Rocks GLY Spring, 2012"— Presentation transcript:

1 High Strain Rocks GLY 4310 - Spring, 2012
Petrology Lecture 10 High Strain Rocks GLY Spring, 2012

2 High-Strain Terminology

3 Shear Zone Cross-Section
Figure Schematic cross section through a shear zone, showing the vertical distribution of fault-related rock types, ranging from non-cohesive gouge and breccia near the surface through progressively more cohesive and foliated rocks. Note that the width of the shear zone increases with depth as the shear is distributed over a larger area and becomes more ductile. Circles on the right represent microscopic views or textures. From Passchier and Trouw (1996) Microtectonics. Springer-Verlag. Berlin.

4 Shear Zone Terminology
Figure Terminology for high-strain shear-zone related rocks proposed by Wise et al. (1984) Fault-related rocks: Suggestions for terminology. Geology, 12,

Download ppt "High Strain Rocks GLY Spring, 2012"

Similar presentations

FAULTS AND FAULTING Dr. Masdouq Al-Taj

FAULTS AND FAULTING Dr. Masdouq Al-Taj
Metamorphic Textures IN THIS LECTURE

Metamorphic Textures IN THIS LECTURE
Chapter 23: Metamorphic Textures

Chapter 23: Metamorphic Textures
Design of Concrete Structure I

Design of Concrete Structure I
Anderson’s theory of faulting

Anderson’s theory of faulting
SHEAR IN BEAMS. SHEAR IN BEAMS Example (4.1): A rectangular beam has the dimensions shown in Figure 4.12.a and is loaded with a 40 ton concentrated.

SHEAR IN BEAMS. SHEAR IN BEAMS Example (4.1): A rectangular beam has the dimensions shown in Figure 4.12.a and is loaded with a 40 ton concentrated.
Lineation. Lineation (Fig. 4.2, Passchier and Trouw, 1996) Any linear feature, –primary or secondary, that occurs –penetratively (at the outcrop and/or.

Lineation. Lineation (Fig. 4.2, Passchier and Trouw, 1996) Any linear feature, –primary or secondary, that occurs –penetratively (at the outcrop and/or.
Chapter 21: Metamorphism

Chapter 21: Metamorphism
Wise et al., 1984 What does deformation look like?

Wise et al., 1984 What does deformation look like?
Metamorphic Textures Textures of Regional Metamorphism

Metamorphic Textures Textures of Regional Metamorphism
A little more on earthquakes and faulting

A little more on earthquakes and faulting
Shear zones and shear sense indicators Please read (D&R, pp. 493-551)

Shear zones and shear sense indicators Please read (D&R, pp )
Shear zones and shear sense indicators Please read (D&R, pp )

Shear zones and shear sense indicators Please read (D&R, pp )
The Mechanics of the crust

The Mechanics of the crust
Chapter 22: A Classification of Metamorphic Rocks Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical)

Chapter 22: A Classification of Metamorphic Rocks Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical)
Implications for the thermomechanics of the San Andreas fault zone Wayne Thatcher, Philip C. England Yihe Huang Ge277 02/10/2011 Ductile shear zone beneath.

Implications for the thermomechanics of the San Andreas fault zone Wayne Thatcher, Philip C. England Yihe Huang Ge277 02/10/2011 Ductile shear zone beneath.
Lecture 16 Earthquakes What are earthquakes? Elastic rebound theory Waves generated by earthquakes: P waves, S waves, Surface waves Locating earthquakes.

Lecture 16 Earthquakes What are earthquakes? Elastic rebound theory Waves generated by earthquakes: P waves, S waves, Surface waves Locating earthquakes.
Introduction Stress versus strain: The two most important terms used throughout this course are STRESS and STRAIN. What structural geologists actually.

Introduction Stress versus strain: The two most important terms used throughout this course are STRESS and STRAIN. What structural geologists actually.
METAMORPHIC ROCKS. METAMORPHISM Alteration of any previously existing rocks by high pressures, high temperatures, and/or chemically active fluids.

METAMORPHIC ROCKS. METAMORPHISM Alteration of any previously existing rocks by high pressures, high temperatures, and/or chemically active fluids.
Metamorphic Textures 2 - Regional T This part contains several color reproductions of Figures and Tables in your text. I will pass over them with a quick.

Metamorphic Textures 2 - Regional T This part contains several color reproductions of Figures and Tables in your text. I will pass over them with a quick.

Similar presentations

Ads by Google