Nadine McQuarrie


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Current group:




Chloe Glover


Chloe just finished her first field season in the Peruvian Andes!  She will be looking at how geometry of shortening and the age, magnitude and rate of exhumation change between the Andean plateau in southern Peru and the more narrow fold and thrust belt in central Peru. 



Victoria Buford


I am researching the kinematic, flexural, and thermal history of the Central Andean fold thrust belt in Bolivia and Peru. Geologic maps, field observations, and structural cross sections will be integrated with thermochronologic data to create a thermal and structural evolution of the Central Andes, with an emphases on southern Peru. These balanced sequential restorations provide a complete kinematic reconstruction of the Central Andes, allowing us to quantify and analyze the relationships between the subsurface structural geometry and the magnitude of uplift and exhumation.



Suryodoy Ghoshal


My research will be to develop a suite of kinematic and thermal models of the Central Nepal Himalayas.  I will evaluate the proposed geometry and kinematics of a number of published cross sections to see if the predicted cooing ages from the published geometries match the measured cooling ages in the region.   Based on the matches and mismatches between measured and predicted ages I will propose new cross section geometries that will match all available surface and subsurface constraints including the wealth of published cooling ages through the region.  The resulting thermokinematic model of the region will allow us to constrain the relationships between uplift, uplift rates, geometry and exhumation.






Paul R. Eizenhofer (Humboldt Post-doctoral Fellow)


Paul focused on reconstructing fault motion, rock uplift, erosion and exhumation across the Himalayan fold-thrust belt in eastern Bhutan. In particular, he wanted to explore to what extent the foreland basin sedimentary record can provide constraints on the thermo-kinematic history of the region for the past ca. 20 million years. This involved the integration of multiple approaches that model fold-thrust belt kinematics, crustal flexural responses, crustal thermal fields and landscape evolution in order to predict detrital thermochronological ages, and match these with measured data.   To get there he started exploring the relationship between uplift, horizontal transport and got distracted by some really cool modeling approaches that integrates thrust belt kinematics with landscape evolution.   Paul has moved on to University of Tuebingen in Germany. 



Joshua Olsen (MS University of Pittsburgh 2017)


Joshua created kinematic and flexural/erosional models of cross sections in western Nepal in order to refine the geometry, sequence, and relative age of faulting as we as refine estimates of total shortening in the Himalayas.  The kinematic and flexural models are being used now as input into the thermokinematic modeling program Pecube in order to predict the pattern of cooling ages imparted by different geometries and kinematics.  This approach allows us to further refine the geometry o the cross sections based on the match between the predicted and measured cooling ages.



Ashley Ace (MS University of Pittsburgh 2016)


Ashley utilized seismic data to best constrain the structural geometry of the Appalachian Mountain front. Using field data, interpretations of a volume of seismic data, and stratigraphic constraints, She creating a 3D kinematic model to illustrate the style and magnitude of deformation of the Allegheny front.




Michelle Gilmore (MS University of Pittsburgh 2014; Research assistant 2015)


Michelle explored the spatial and temporal evolution of deformation and exhumation in fold-thrust belts. Utilizing geologic maps of Bhutan as well as new and existing balanced cross sections and thermal  cooling data, she evaluated the links between structural and topographic change over time, and how those changes are expressed in predicted cooling ages.  She used combined forward kinematic and thermal modeling of cross sections to analyze relationships between erosion, deformation, displacement rates, geometry and exhumation.  Michelle is currently the outreach and education manager with the southern Sierra Critical Zone Observatory, Her Masters work was just published in Solid Earth (Gilmore et al., 2018)




Adam Rak (MS University of Pittsburgh 2015)


Adam evaluated the kinematic history of the Central Andean fold and thrust belt in predicted ages northern Bolivia.  He linked a sequentially restored balanced cross section to published thermochronologic ages through the thermal advection diffusion model Pecube.  Matching to measured ages allowed us to test how sensitive the predicted ages are to the age, rate and geometry of deformation.   This research was published in Tectonics (Rak et al., 2017).  Adam currently works as a Exploration Geologist at Arsenal Resources (



Bobak Karimi (PhD University of Pittsburgh 2014)


Bobby focused on geophysical modeling strike slip faults. In particular, determining fault geometries and constraining fault properties (cohesion and fault friction) along the western North Anatolian Fault (NAF), Turkey.  

He is currently an Assistant Professor at  Wilkes-Barre University, PA.



Garrett Tate (PhD Princeton 2014)


Garrett integrated structural mapping, balanced cross-sections, thermochronology, geomorphic analyses and uplift histories to quantify the magnitude of continental subduction in Timor and constrain highly variable histories of surface uplift and exhumation in young orogens.  He is now a Assistant Research Professor and Senior Lecturer, Vanderbilt University, TN.



Nate Eichelberger (PhD Princeton 2014)


Nate focused on developing a comprehensive structural model of the Central Andean (or Bolivian) orocline. He combined field observations with shortening estimates, paleomagnetic data, micro-scale strain observations, and thermochronology to reconstruct the three-dimensional evolution of orocline system over time.  Nate is working for StructureSolver based out of California.




Tobgay Tobgay (PhD Princeton, 2011)

Consulting Geologist, Bhutan and running for parliament!



Sean Long (PhD Princeton, 2010)

Associate Professor at Washington State University


Sarah Johnston (MA Princeton, 2008)


Nicole Gotberg (MA Princeton, 2007)