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June 12, 2022 GLG510 Advanced Structural Geology Faults and stress

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Page 1: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress

Page 2: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Relationship between traction and stress

Page 3: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

xx

yy

yx = yx

1

3

Page 4: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Page 5: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Page 6: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Page 7: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

Mohr CircleGraphical construction that lets us visualize the relationship between the principal stresses and tractions on a boundary (like a fault).

measured positive clockwise from 1 direction clockwise to plane of interest2 measure positive clockwise from –n direction on Mohr circle

Page 8: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

Equations of the Mohr Circle (also “Cauchy’s equations”)

Page 9: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

90

Faults and stress: traction and stress

Page 10: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

Page 11: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

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April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

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April 21, 2023 GLG510 Advanced Structural Geology

35

Faults and stress: traction and stress

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April 21, 2023 GLG510 Advanced Structural Geology

= s-Davis and Reynolds

Faults and stress: traction and stress

Page 15: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

-Engelder, 1993, Stress regimes in the lithosphere, Princeton Univ. Press

Page 16: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Pollard and Fletcher

Page 17: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

Coulomb Law of Failure

Coulomb equation c = c + tan n

Wherec = critical shear stress required for faulting (shear strength)c = cohesive strengthtan = coefficient of internal friction =

Page 18: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology

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April 21, 2023 GLG510 Advanced Structural Geology

Faults and stress: traction and stress

Page 20: 27 June 2015GLG510 Advanced Structural Geology Faults and stress

April 21, 2023 GLG510 Advanced Structural Geology-D+R

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April 21, 2023 GLG510 Advanced Structural Geology

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Practice

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Structural Geology Deformation of rocks produces: folds, joints, faults Deformation of rocks produces: folds, joints, faults

Recognizing and mapping faults using lidar, Google Earth, and field data Anne E. Egger Central Washington University Teaching Structural Geology, Geophysics,

Journal of Structural Geology - NCUbasin.earth.ncu.edu.tw/Course/SeminarII/abstract2014_1/2014.10.16... · The dilation of faults and fractures is largely controlled by the resolved

Geology of Damsites on Flathead River Mouth to Flathead ...Geology Continued Page Structural features_____ 79 Faults._____ 79 ... The rocks involved in the abutments and foundations

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Marine and Petroleum Geology - Pennsylvania State Universitycjm38/papers_talks/KaprothetalMPG2016.pdfResearch paper Permeability and frictional properties of halite-clay-quartz faults

16 July 2015GLG510 Advanced Structural Geology Force, Traction, and Stress

Journal of Structural Geology · Fig. 2. Simplified regional geology of the study area. (A) Tectonic provinces and major faults of eastern part of North China, (B) Geology of northern

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD ·  · 2017-05-26Structural Geology: Strike and Dip, Fundamental types, characteristic features and mechanics of folds, faults,

geomechanics and 3D reservoir modeling - Oilfield · PDF fileApplications Structural geology Structural dip, even in frac-tured and conglomeratic formations Faults Sedimentary features

British Columbia bedrock geologycmscontent.nrs.gov.bc.ca/geoscience/Publication... · Geology - Faults Geology - Basins Geology - Basins (transparent) Geology - Terranes Geology -

STRUCTURAL GEOLOGY SEMINAR A PRESENTATION ON STRIKE-SLIP FAULTS, ASSOCIATED STRUCTURES, AND HYDROCARBON TRAPS. BY Fiona Haldane Chinedu Amadi Tom Johnson

Recognizing faults Practice with thrust faults and normal faults Practice with thrust faults and normal faults

Ore Geology Reviews · Mengler, 2000). Structures associated with these deposits such as folds, faults, veins and shear zones highlight the importance of a Ore Geology Reviews 69

Geology 360 - Introduction to Strike-Slip Faults

DYNAMIC EARTH (2 hours) - Universiti Kebangsaan Malaysiapkukmweb.ukm.my/zuhairi/Pengajaran/intranet... · dwzwy: Geology : 200607 FAULTS the terminology • Fault – Fracture along

Geology 360 - Faults. Outline Fault components Slip verses separation Faulting styles Piercing points Calculating slip from piercing points Fault exercises

Name 89.325 – Geology for Engineers Faults, Folds, Outcrop ... pdfs/Faults...89.325 – Geology for Engineers Faults, Folds, Outcrop Patterns and Geologic Maps I. Properties of Earth

From Husch, J. M. and Hozic, M. J. (eds.), Geology of the ...polsen/nbcp/schlische_olsen_88_sm.pdfand Hopewell faults, folds whose axes are normal to the associated faults are a common

Faults Introduction Brad Hubeny And Foldsw3.salemstate.edu/~bhubeny/GLS100/h1.StructuralIntro.pdf · 1 1 Deformation & Structural Geology: Introduction Brad Hubeny 2 Faults And Folds

Geology 3120 - Introduction to Strike-Slip Faults

4.7 GEOLOGY AND SEISMICITY 4...Sequence of southwest–verging, reverse faults, located in the restraining left-step between the Calaveras and Hayward faults. Capable of creating a

Spring exam 2007 review. Geology 1. Describe faults and earthquakes. Include information on seismic waves and the scales used to describe earthquake

24 June 2015GLG510 Advanced Structural Geology Anatomy of orogenic belts Mostly derived from Moores and Twiss, 1995

Poly3D - software.slb.com · POLY3D Rock mechanics for structural geology ... Poly3D honors the fundamental laws ... Modeled density and orientation of subseismic faults in reservoir

Redwood Creek Watershed Assessment - nps.gov · 2-20 Generalized Map of Geology and Faults: Marin Peninsula, California 2-21 Watershed Geology 2-22 Shaded-Relief Topographic Map of

Geology 360 - Introduction to Thrust Faults Up Down

28 June 2015GLG510 Advanced Structural Geology Rheology: “science of deformation and flow of matter” or relationship between stress and strain

GLG310 Structural Geology. 24 February 2016GLG310 Structural Geology Description of faults NormalThrust/reverseStrike-slip Horizontal stretch 111 in

Geology 3120 - Metamorphic Core Complexesgeode.colorado.edu/~structure/teaching_GEOL3120/... · Basin and Range • Late Cenozoic extension • North-south trending normal faults

Geology 1, Physical Geology · Web viewGeology 2, Historical Geology Your Name_____ Lesson 9 - Geologic Map s Geologic maps are a representation of the landscape, rocks, folds, faults

Rider Structural Geology 310 2012 GCHERMAN Faults Some exercises adapted from Lisle, R. J., 2004, Geological Structures and Maps, Practical Guide, Third

27 June 2015GLG510 Advanced Structural Geology Fold analysis and cross sections

Geology 3120 - Faults

Geology 3120 - Introduction to Strike-Slip Faults