Geological Musings
Tuesday, April 7, 2015
Ideal Fracture Displacement Modes
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Rock deformation experiments of rocks loaded to failure under triaxial compression demonstrate symmetrical orientation of fractures wit...
Thursday, March 19, 2015
Trishear Fault-Propagation Folding
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Fault-propagation folds are produced by deformation that takes place just in front of the propagating fault. The fault tip propagates upsec...
Wednesday, March 4, 2015
Rigid Body Deformation & Shear Strain
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Deformation is a change in form or shape. Rock masses can be translated or rotated as rigid units during deformation, without any internal ...
Tuesday, March 3, 2015
ImageJ - Thin Section Porosity
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I'm not very patient, and I will spend more time trying to fiddle with a program to get it to do what I want rather than read through do...
Sunday, March 16, 2014
Isostasy - Airy & Pratt
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Isostasy describes the state of equilibrium of a lithospheric plate floating on the asthenosphere the weight of columns of rock, at some ...
Possible Mechanisms of Crustal Subsidence
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Mechanisms that can generate sufficient subsidence to create basins: Crustal thinning extensional stretching, erosion during uplift, a...
Monday, January 27, 2014
Seismic Waves
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Body Waves penetrate the body of the Earth travel faster in more elastic rocks body wave velocities increase with depth in the inte...
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