Stereographic projection techniques for geologists and civil engineers / Richard J. Lisle, Peter R. Leyshon.
Material type:
TextPublication details: Cambridge, UK ; New York : Cambridge University Press, 2004Edition: 2nd edDescription: viii, 112 p. : ill. ; 29 cmISBN: 0521828902; 0521535824 (pbk.)Other title: Stereographic projection techniquesSubject(s): Spherical projection | Geology, Structural | Geological mappingDDC classification: 551.80223 | Item type | Current library | Call number | Status | Date due | Barcode | Item holds |
|---|---|---|---|---|---|---|
General Books Science Library
|
Central Library, Sikkim University Science Library General Section | 551.80223 LIS/S (Browse shelf(Opens below)) | Available | 46745 |
Rev. ed. of: Stereographic projection techniques in structural geology / Peter R. Leyshon, Richard J. Lisle. 1996.
Geological structures of planar type
Measuring and recording the orientation of planar structures
Geological structures of linear type
Measuring and recording the orientation of lines
Why do we need projections?
Idea of stereographic projections
Approximate method of plotting lines and planes
Exercises 1
The stereographic net
Precise method of plotting planes
Precise methods for plotting lines 1
Precise methods for plotting lines 2
Intersection of two planes
Plane containing two lines
Apparent dip
The angle between two lines
The angle between two planes
The plane which bisects the angle between two planes
Projecting a line onto a plane
Stereographic and equal-area projections
The polar net
Analysing folds 1
Analysing folds 2
Analysing folds 3
Analysing folds 4
Folds and cleavage
Analysing folds with cleavage
Faults 1
Faults 2
Cones/small circles
Plotting a cone
Rotations about a horizontal axis
Example of rotation about a horizontal axis
Example of rotation
Rotation about an inclined axis
Example of rotation about an inclined axis
Density contouring on stereograms
Superposed folding 1
Superposed folding 2
Example of analysis of folds
Geometrical analysis of folds
Example of analysis of jointing
Geotechnical applications
Assessing plane failure 1
Assessing plane failure 2
Assessing wedge failure
Exercises 2
Solutions to exercises
Computer software for plotting stereograms
Further reading
Stereographic (Wulff) equatorial net
Equal-area (Lambert/Schmidt) equatorial net
Equal-area polar net
Kalsbeek counting net
Classification chart for fold orientations
Some useful formulae
Alternative method for plotting planes and lines
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