Lineation PowerPoint PPT Presentations

Foliation and lineation

... along bedding planes. ... Use of bedding-foliation (bxc) relationships to deduce the ... C. Bedding is overturned if b and s dip in the same direction and b ...

Cleavage, foliation and lineation (Chapter 8 in Davis and Reynolds) Closely spaced planar to linear features that tend to be associated with folds,

Cleavage, foliation and lineation (Chapter 8 in Davis and Reynolds) Closely spaced planar to linear features that tend to be associated with folds,

Horizontal lengthening (boudinage) while vertical shortening ... s3 bisects obtuse angle. Tangent lineation diagram. T&M: Fig. 15.12. Tangent lineation diagram ...

Foliation-planar fabric in a rock (e.g., bedding, cleavage) ... c. surface lineation (cleavage/bedding intersection; slip lineations on a fault) ...

... No Preferred Orientation Gneiss with Lineation ... 60 C per kilometer in volcanic regions Deformation stress Direction varies substantially with plate ...

Lineation in the direction of displacement Pseudotachylite: ... The brittle deformation has reduced the grain sizes to the point that most grains cannot be seen.

... Textures Metamorphic rocks that lack foliation are referred to as non-foliated Develop in environments where deformation is minimal And/or ... and lineation are ...

... Dikes and Sills Meta-sediments Metamorphic Rocks Foliation and Lineation Breccias Evolution of the Arabian Shield Ophiolite Belts in The Arabian Shield The ...

... seams of minerals Crenulated foliation Disjunctive cleavage Mineral lineation: nematoblastic: aligned acicular, columnar and prismatic grains of amphibole, ...

Down-Dip lineation (Lok) perpendicular to bedding cleavage intersection (L1) S1- principle cleavage. S2m mineral fabric defined by aligned biotite. What we do ...

A tendency to split along planes other than bedding. ... The neck line of the boudin is the lineation and is commonly oriented parallel to the fold axes. ...

The resulting global patterns are shown below in Figure 2. ... seen in the parabolic shapes and arcuate lineations within the scatter diagrams. ...

MRI advanced (3D/4D) visualization systems often employ features, such as rapid and multi-planar contouring, de-lineation of body structures, and re-planning, according to the fluctuations of the weight of a patient during the course of extended treatment for chronic diseases.

Figure 1: Map of Southern Appalachians showing the Brevard Fault Zone and the ... showing foliation (black circles) and lineation (black stars) orientations. ...

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Title: 1 Author: SuperXP Last modified by: SuperXP Created Date: 12/26/2005 12:10:39 PM Document presentation format: Company

Middle Jurassic-Early Cretaceous deformations record a passage of a triple ... CB is the Jurassic-early Cretaceous Mandritsa arc (Bonev and Stampfli, 2003) ...

General definition - closely-spaced, aligned, planar to curviplanar penetrative surfaces ... What direction is the nearest anticline? Pressure Dissolution Cleavage ...

... of curvature at two points on a parabola. ... a) The u-parameter curve, c(u, vo), is a parabola. b) The v-parameter curve, c(uo, v), also is a parabola. ...

Topping Indicators. Structures used to determine tops in sedimentary rocks include the following ... Symmetric Ripples show tops. Graded Bed ...

Department of Geology University of Texas at Arlington. Lab 1 - Assigned ... Geology is 3-D, so depiction of geological features requires a projection of the ...

Metamorphic rocks undergo deformation during their crystallization as a result ... A mosic of fine to coarse grained anhedral grains, such as marble and granulites ...

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Occurs in the solid state. May include recrystallization (less severe) mineral crystals regrow into new forms ... Metamorphic facies ...

... PowerPoint Presentation Magnitude of Normal and Shear Stresses Strain Rate Strain vs. Time = Creep Curve Mechanical behavior depends on material ...

Extremely coarse-grained with rare euhedral minerals ... Time and depth of emplacement. General distribution of granites. Concentrated in orogenic belts ...

Fold Sets F1, F2, etc. Linear Structures L1, L1, etc. Deformation Structures D1, D2, etc. ... Pencil structure Formed from intersection of bedding and cleavage ...

Bedding upright, dipping more ... fold axis using measurements of bedding from around the fold. Plot ... by intersections of bedding planes plotted on ...

The Structure Update

USS Hawkbill, Pearl Harbor, Hawaii. 12 kHz Sidescan Swath Bathymetry Sonar. 2.5-6.5 kHz Swept Frequency Subbottom Profiler. Gravimeter ...

Title: Lecture notes on Metamorphic Petrology Author: Dr. Mahrous Abu El-Enen Last modified by: name Created Date: 9/16/2004 8:52:09 PM Document presentation format

Lecture 5: Plate Tectonics and Climate Last 550 Myr (chapter 4) Atmospheric CO2 Evolution Plate Tectonics Alfred Wegener (1914, German Meteorologist) proposed ...

Vertebrate (Fish) Fossil. Dinosaur Footprint. Sedimentary ... Schistose texture (platy or needle-shaped minerals grow in response to differential stress. ...

Modeling Magnetic Anomalies. Ashlee Henig. Irma O. Caraballo lvarez ... Modeling Pacific Magnetic Anomalies. Figure 23. Pacific-NBP synthetic profile. ...

formed by injection of veins. formed by metamorphic segregation (chemical migration) ... irregular or cross-cutting 'granitic' bands or veins in a darker, ...

Grades of Metamorphosis. Low Grade Low temperature and pressure results in slate and phyllite ' ... Grades of Metamorphosis (cont. ...

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Thermometers and Thermobarometers in Granitic Systems

Poetry Analysis Understanding the poem

Folds analysis techniques Goal: To apply some of the basic geometric techniques for analyzing folds and refolded folds. 1. Foliation bedding intersections Three cases ...

folitation anisotropy, strong directional structure which effects the ... are considerably less than in all other directions, strength anisotropy ...

Metamorphic Rocks If something is gneiss, don t take it for granite. Metamorphic Agents Pressure (1,000 times atmospheric pressure) Temperature (300 degrees ...

Granites Best, Ch. 4 Granites Petrography Field relations Origin Time-space patterns in plutons S-type and I-type compositions Petrography Fabric Classification ...

Siccar Point, Berwickshire, Scotland. James Hutton (1788) ... Principle of Original Horizontality - sediments are deposited in horizontal layers ...

Ice Sheets and Glaciers

Outlet glacier

A ZAF correction package provided by JEOL was used for data reduction. A variety of mineral standards (comprising some 15 different minerals) ...

strain is the deformation in the rock that results ... stress yields strain. each has its ... strain: shortening (contraction) and lengthening (extension) ...

May have an accompanying Metamorphic Cycles with one or more Reaction Events ... Area (C) begins new subduction zone with thrusting and folding migrating toward ...

Chapter 5 of EARTH S CLIMATE Plate Tectonics and Climate Institute of Hydrological Sciences Plate tectonics: The scientific theory which ...

Introduction to Metamorphism Reading: Winter Chapter 21 Chemical Systems Metamorphic Agents and Changes Temperature: typically the most important factor in ...

Folds and folding * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * p plots uses at least 2 poles to bedding ...

Detailed structural analysis requires sampling of: Bedding in sedimentary rock ... symbols for the pole to folded bedding. Use symbol for the pole to folded ...

Geology THIRD EDITION by Stanley Chernicoff University of Washington, Seattle Donna L' Whitney Unive