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David D. Pollard (born October 12, 1943) is a professor in
geomechanics Geomechanics (from the Greek prefix ''geo-'' meaning " earth"; and " mechanics") is the study of the mechanical state of the earth's crust and the processes occurring in it under the influence of natural physical factors. It involves the study of ...
and
structural geology Structural geology is the study of the three-dimensional distribution of rock units with respect to their deformational histories. The primary goal of structural geology is to use measurements of present-day rock geometries to uncover informati ...
at Stanford University.


Career

David Pollard teaches an undergraduate course, Fundamentals of Structural Geology, and is writing an undergraduate textbook in structural geology. He teaches graduate-level courses in structural geology,
rock mechanics Rock mechanics is a theoretical and applied science of the mechanical behavior of rock and rock masses; compared to geology, it is that branch of mechanics concerned with the response of rock and rock masses to the force fields of their physical env ...
, and rock fracture mechanics.


Professional activities

* Morris Professor of Earth Sciences, Stanford University, August 1983 – present * Geophysicist and Project Chief,
US Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, an ...
(USGS), July 1974 – August 1983 * Assistant Professor,
University of Rochester The University of Rochester (U of R, UR, or U of Rochester) is a private university, private research university in Rochester, New York. The university grants Undergraduate education, undergraduate and graduate degrees, including Doctorate, do ...
, September 1970 – June 1974 * Member, editorial advisory board,
Journal of Structural Geology The ''Journal of Structural Geology'' is a monthly peer-reviewed scientific journal covering on the field of structural geology. It is published by Elsevier and the editor-in-chief is G. Ian Alsop (University of Aberdeen). According to the ''Journa ...
. * Developer of Poly3D, a boundary element computer program to analyse faults and fractures. * Co-founder of IGEOSS, a French company developing software for the hydrocarbon industry (acquired by
Schlumberger Schlumberger Limited (), doing business as SLB, is an oilfield services company. Schlumberger has four principal executive offices located in Paris, Houston, London, and The Hague. Schlumberger is the world's largest offshore drilling comp ...
in 2010). * Author and producer o
A Complete Suite, a musical allegory exploring uses of continuum mechanics in structural geology
* Editor, New Departures in Structural Geology and Tectonics, an NSF-sponsored white paper on research opportunities. * Fellow of the
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
and of the
American Geophysical Union The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of Earth, atmospheric, ocean, hydrologic, space, and planetary scientists and enthusiasts that according to their website includes 130,000 people (not members). AGU's ...
.


Books


Fundamentals of Structural Geology
2005, published by
Cambridge University Press Cambridge University Press is the university press of the University of Cambridge. Granted letters patent by Henry VIII of England, King Henry VIII in 1534, it is the oldest university press in the world. It is also the King's Printer. Cambr ...
, along with co-authors Fletcher R.
Structural Geology: A Quantitative Introduction
2020, published by
Cambridge University Press Cambridge University Press is the university press of the University of Cambridge. Granted letters patent by Henry VIII of England, King Henry VIII in 1534, it is the oldest university press in the world. It is also the King's Printer. Cambr ...
, along with co-authors Stephen J. Martel.


Honors and awards

*
Wollaston Medal The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London. The medal is named after William Hyde Wollaston, and was first awarded in 1831. It was originally made of gold (1831–1845), t ...
of the
Geological Society The Geological Society of London, known commonly as the Geological Society, is a learned society based in the United Kingdom. It is the oldest national geological society in the world and the largest in Europe with more than 12,000 Fellows. Fe ...
of London (2021) *Career Contribution Award, Structural Geology and Tectonics Division,
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
(2016) *Best Paper of the Year Award, Structural Geology and Tectonics Division,
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
(2007) *Fellow,
American Geophysical Union The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of Earth, atmospheric, ocean, hydrologic, space, and planetary scientists and enthusiasts that according to their website includes 130,000 people (not members). AGU's ...
(2007–Present) *Fellow,
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
(1996–Present) *Woodford-Eckis Lectureship,
Pomona College Pomona College ( ) is a private liberal arts college in Claremont, California. It was established in 1887 by a group of Congregationalists who wanted to recreate a "college of the New England type" in Southern California. In 1925, it beca ...
(1996) *Barney and Estelle Morris Professor of Earth Sciences, Stanford University (1993–Present) *Senior Hess Fellow,
Princeton University Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the n ...
(1992) *Centennial Author,
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
Bulletin (1988) *Outstanding Teacher Award, School of Earth Sciences, Stanford University (1987–1988) *Applied Research Award, U. S. National Committee on Rock Mechanics (1987) *Post-doctoral Fellowship,
National Science Foundation The National Science Foundation (NSF) is an independent agency of the United States government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National ...
(1968–1969) *Graduate Fellowship,
National Science Foundation The National Science Foundation (NSF) is an independent agency of the United States government that supports fundamental research and education in all the non-medical fields of science and engineering. Its medical counterpart is the National ...
(1965–1968) *R.W. Strehle Memorial Award in Geology,
Pomona College Pomona College ( ) is a private liberal arts college in Claremont, California. It was established in 1887 by a group of Congregationalists who wanted to recreate a "college of the New England type" in Southern California. In 1925, it beca ...
(1965)


Notable publications


Pollard, DD, Johnson, AM, 1973, Mechanics of growth of some laccolithic intrusions in Henry mountains, Utah .2. Bending and failure of overburden layers and sill formation, Tectonophysics Volume: 18 Issue: 3–4 Pages: 311–354

DD Pollard, 1973, Derivation and evaluation of a mechanical model for sheet intrusions, Tectonophysics 19 (3), 233–269

P Segall, DD Pollard, 1980, Mechanics of discontinuous faults, Journal of Geophysical Research: Solid Earth 85(B8), 4337–4350

RC Fletcher, DD Pollard, 1981, Anticrack model for pressure solution surfaces, Geology 9 (9), 419–424

DD Pollard, P Segall, PT Delaney, 1982, Formation and interpretation of dilatant echelon cracks, Geological Society of America Bulletin 93 (12), 1291–1303
* DD Pollard, 1987, Elementary fracture mechanics applied to the structural interpretation of dykes, Mafic dyke swarms 34, 5–24
DD Pollard, A Aydin, 1988, Progress in understanding jointing over the past century, Geological Society of America Bulletin 100(8), 1181–1204

J Olson, DD Pollard, 1989, Inferring paleostresses from natural fracture patterns: A new method, Geology 17 (4), 345–348

MA Antonellini, A Aydin, DD Pollard, 1994, Microstructure of deformation bands in porous sandstones at Arches National Park, Utah, Journal of structural geology 16 (7), 941–959

R Bürgmann, DD Pollard, SJ Martel, 1994, Slip distributions on faults: effects of stress gradients, inelastic deformation, heterogeneous host-rock stiffness, and fault interaction, Journal of Structural Geology 16 (12), 1675–1690

Wu, Hq, Pollard, DD, 1995, An experimental-study of the relationship between joint spacing and layer thickness, Journal of Structural Geology Volume: 17 Issue: 6 Pages: 887–905

H Wu, DD Pollard, 1995, An experimental study of the relationship between joint spacing and layer thickness, Journal of Structural Geology 17 (6), 887–905

EJM Willemse, DD Pollard, A Aydin, 1996, Three-dimensional analyses of slip distributions on normal fault arrays with consequences for fault scaling, Journal of Structural Geology 18 (2), 295–309

Willemse, EJM, Pollard, DD, Aydin, 1996, A, Three-dimensional analyses of slip distributions on normal fault arrays with consequences for fault scaling, Journal of Structural Geology Volume: 18 Issue: 2–3 Pages: 295–309

ML Cooke, DD Pollard, 1996, Fracture propagation paths under mixed mode loading within rectangular blocks of polymethyl methacrylate, Journal of Geophysical Research: Solid Earth (1978–2012) 101 (B2), 3387–3400

JG Crider, DD Pollard, 1998, Fault linkage: three‐dimensional mechanical interaction between echelon normal faults, Journal of Geophysical Research: Solid Earth (1978–2012) 103 (B10), 24373-24391

L Maerten, EJM Willemse, DD Pollard, K Rawnsley, 1999, Slip distributions on intersecting normal faults, Journal of Structural Geology 21 (3), 259–272

T Bai, DD Pollard, 2000, Fracture spacing in layered rocks: a new explanation based on the stress transition, Journal of Structural Geology 22 (1), 43–57


* [http://www.sciencedirect.com/science/article/pii/S0191814100001425 L Maerten, DD Pollard, F Maerten, 2001, Digital mapping of three-dimensional structures of the Chimney Rock fault system, central Utah, Journal of Structural Geology 23 (4), 585–592]
L Maerten, P Gillespie, DD Pollard, 2002, Effects of local stress perturbation on secondary fault development, Journal of Structural Geology 24 (1), 145–153

KR Sternlof, JW Rudnicki, DD Pollard, 2005, Anticrack inclusion model for compaction bands in sandstone, Journal of Geophysical Research: Solid Earth (1978–2012) 110 (B11)

F Maerten, P Resor, D Pollard, L Maerten, 2005, Inverting for slip on three-dimensional fault surfaces using angular dislocations, Bulletin of the Seismological Society of America 95 (5), 1654–1665

N Bellahsen, P Fiore, DD Pollard, 2006, The role of fractures in the structural interpretation of Sheep Mountain Anticline, Wyoming, Journal of Structural Geology 28 (5), 850–867

I Mynatt, S Bergbauer, DD Pollard, 2007, Using differential geometry to describe 3-D folds, Journal of Structural Geology 29 (7), 1256–1266

WA Griffith, G Di Toro, G Pennacchioni, DD Pollard, 2008, Thin pseudotachylytes in faults of the Mt. Abbot quadrangle, Sierra Nevada: Physical constraints for small seismic slip events, Journal of Structural Geology 30 (9), 1086–1094

GE Hilley, I Mynatt, DD Pollard, 2010, Structural geometry of Raplee Ridge monocline and thrust fault imaged using inverse Boundary Element Modeling and ALSM data, Journal of Structural Geology 32 (1), 45–58

JO Kaven, F Maerten, DD Pollard, 2011, Mechanical analysis of fault slip data: Implications for paleostress analysis, Journal of structural geology 33 (2), 78–91

E Ritz, DD Pollard, 2012, Stick, slip, and opening of wavy frictional faults: A numerical approach in two dimensions, Journal of Geophysical Research: Solid Earth (1978–2012) 117 (B3)

C Meng, F Maerten, DD Pollard, 2013, Modeling mixed-mode fracture propagation in isotropic elastic three dimensional solid, International Journal of Fracture 179 (1–2), 45–57

F Maerten, L Maerten, DD Pollard, 2014, iBem3D, a three-dimensional iterative boundary element method using angular dislocations for modeling geologic structures, Computers & Geosciences 72, 1–17

F Maerten, EH Madden, DD Pollard, L Maerten, 2016, Incorporating fault mechanics into inversions of aftershock data for the regional remote stress, with application to the 1992 Landers, California earthquake, Tectonophysics, 674, 52–64


Notes


External links


The Barney and Estelle Morris Professor of Earth Sciences, Emeritus

David D Pollard – Google Scholar Citations
{{DEFAULTSORT:Pollard, David D. 1943 births Stanford University faculty Living people Pomona College alumni Stanford University alumni Alumni of the University of London