2026 Forum Program

Friday 31 July — check-in for Baraboo field trip participants

1:00-5:00: Check-in for campus housing (TBD). Details to follow including information on after-hours check-in.

Saturday 1 August - Baraboo field trip

7:30: Field trip breakfast (Anderson 129) and check-in. Pick up your boxed lunch; turn in your Acknowledgment of Risk form.

8:00: Field trip departs for overnight field trip to Baraboo, Wisconsin. Camping equipment required. Trip leaders: Willy Guenthner (UI-Urbana-Champaign) and Nicolas Roberts (Hamilton College).

All day: Check-in to campus housing (TBD).

Sunday 2 August - Morton field trip and statistics workshop

7:30: Breakfast for field trip and workshop (Anderson 129).

8:00: Field trip departs for Morton, MN. Pick up your boxed lunch; turn in your Acknowledgment of Risk form. Trip leaders: Bereket Haileab (Carleton College) and Alli Severson (MN Geologic Survey).

8:00-5:00 Workshop: Statistics tools for structural geologists (Anderson 123). Lunch provided. Dinner on your own. Joshua Davis (Carleton College Math/Stats/CS) and Sarah Titus (Carleton College Geology)

6:00: Baraboo field trip returns to Northfield. Dinner on your own.

9:00-5:00: Check-in to campus housing (TBD). Details to follow including information on after-hours check-in.

Monday 3 August — Plenary Day 1

7:00-8:20 Breakfast in Anderson Atrium

8:30 Session 1: Deformation in the upper crust (co-chaired by Joe Allen, Concord University and Arlo Weil, Bryn Mawr College)

8:30-8:40: Welcoming remarks in Olin lecture hall (Titus): Goals and history of SGT Forum, announcement, logistics

8:40-9:05: Folarin Kolawole: Fracture Clustering in the Brittle Crystalline Crust: Manifestations of Incipient Faulting

9:05-9:30: Andrew Zuza: Geologic Reconstructions Support Non-lithostatic Pressure in the Geologic Record

9:30-9:55: Caroline M Burberry: What can Microstructural Analysis and the Elk Creek Earth MRI Survey tell us about Upper Crustal Deformation in SE Nebraska?

9:55-10:20: Robert Welch: Characterizing Deformation in Fold-and-Thrust Belts over Tectonic to Human Timescales by Leveraging Dense Field, Geophysical, and Seismological Datasets

10:20-10:40: Poster lightning talks: fractures and other shallow structures (2 minutes per talk; 2 slides):

Daniel Laó-Dávila: Fracture Networks in the San Cristobal Canyon, Puerto Rico from High-Resolution Topography, GIS, and Aeromagnetic Analyses

Joseph Allen: Extensional Collapse and Growth Faulting in a Late Mississippian Incised Paleovalley in the Central Appalachian Basin

Montserrat De Allende Silva: Damage Zones in Ultramafic Rocks: Grain Size Reduction through Hydration Over Cataclasis

Noah Phillips: Dichotomous Damage Zones: Lithologic Controls on Fracture Densities Surrounding Late Faults at the Lac Des Iles Mine, ON, Canada

Molly Egan: The Role of the Intermediate Stress Axis in forming Primary P-fracture Arrays, Cathedral Peak Granodiorite, California

Hannah Hackenmueller, Amelia Carson, Max Posner: How Does Lithology Impact Borehole Breakouts in Central California?

Carolyn Tewksbury-Christle: Nature and Timing of Enigmatic Banded Fault Fabrics in the Navajo Sandstone, Salt Valley, Utah

Carter Mayland: Can Deformation Bands Indicate Paleostress Orientations?

Amberly Kroha: Inferring Stress Directions from Naturally Deformed Granular Materials: Microstructural Analysis of Deformation Bands near the San Andreas Fault in Parkfield, California

10:40: Coffee break and posters

12:00: Lunch in Anderson Atrium

1:30 Session 2: Rates and dates (chaired by Kendra Murrray, Idaho State University)

1:30-1:55: Caden Howlett: Long-term Kinematic and Erosional Record of the South-Central Andes and Implications for Mechanisms of Crustal Thickening, Chile and Argentina (34–35°S)

1:55-2:20: Tshering Sherpa: A Multi-chronometric Perspective on Timing and Rates of Fold-Thrust Belt Development during Himalayan Orogenesis: Insights from Eastern Nepal Himalaya

2:20-2:45: Victor Guevara: Rapid Crustal Heating during Exhumation of the Nanga Parbat Massif

2:45-3:10: William Guenthner: A Multiple Chronometer approach to the Deep-Time Thermochronology of Cratons

3:10-3:30: Poster lightning talks: Rates/dates and geophysics

Andrea E. Richardson: Exhumation and Cooling History of the Salmon River Suture Zone and Western Idaho Shear Zone

Christopher Bailey: From Collision to Extension: The Timing of Exhumation, Uplift and Rifting in Virginia's Eastern Piedmont

Vivian Spiess: Reevaluating the Structural Evolution of the Beaver Dam Mountains, Utah; Evidence for Sevier Contraction Overprinted by Basin and Range Extension

Basil Tikoff: Strain Rates and Displacement Rates for Two- and Three-Dimensional Deformations

Kendra Murray: Towards More Rigorous Thermal History Modeling Practices

Eric Horsman: Field-Based Constraints on Rates of Dynamic Igneous Emplacement Processes in Subvolcanic Systems, Henry Mountains, Utah

Ellen Nelson: The Sage Hen Flat Pluton: Emplacement of a Pluton with Minimal Wall Rock Deformation

Peter Bergenross: Discovering a Negative Anomaly: Gravity Survey of the Pine Bend Impact Structure

Jackie Harris: Is the Northern Hikurangi Plateau Well Hydrated? Insights from 2D Streamer Tomography and Reflection Imaging

3:30: Afternoon break and posters

6:00: Dinner in Anderson Atrium

7:00: Navigating Early Careers in Structural Geology and Tectonics (Scott Giorgis, SUNY-Geneseo)

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Tuesday 4 August — Plenary Day 2

We will aim to stay approximately on time, but please forgive ± 10 min.

7:00 Breakfast in Anderson Atrium

8:30 Session 3: Experiments of all sorts (chaired by Jacqueline Reber, Iowa State University)

8:30-8:55: P. Io Ioannidi: Rheology of the Lithosphere Across Scales: From Field Observations and Physical Experiments to Numerical Models

8:55-9:20: Julia Baumgarte: Effects of Fault Roughness and Geometry on Friction

9:20-9:45: Daniel Ortega-Arroyo: Diverse Slip Behaviors in Granitoid Fault Rocks Controlled by Local Heterogeneity

9:45-10:10: He Feng: How Shear Zones Get Started: Mechanical Heterogeneity, Bridge Zones, and Rock Weakening

10:10-10:30: Poster lightning talks: Experiments, geoscience education, and ductile deformation

Holly Hilbrant: Force Quantification Methods in Cohesive Photoelastic Granular Experiments

David Brink-Roby: Exploring the Controls on Fault Generation and Spacing within Duplexes and Imbricate Fans Using Numerical and Analog Models

Juliet Crider: Do Inverse Trishear Models of Deformed Geomorphic Surfaces Constrain the Geometry of the Active Strand of the Blind Seattle Thrust?

Arlo Weil: Four-Dimensional Structural Evolution of a Complex Fold-Fault System, Laramide Foreland, Wyoming

Heather Kirkpatrick: Benefits and Implementation of a Course-Embedded Undergraduate Research Experience

Phillip Resor: Building Community Resources to Promote the teaching of Structural Geology

Rudi Osti: Investigating the Role of Fe-Ti Oxides on the Rheology of the Oceanic Crust

Ben Clarke: Timing, Kinematics, and Conditions of Deformation of the Towaliga Fault Zone (Alabama)

Hanna Tiitto: Deformation Processes in a Mid-Crustal Strike-Slip Shear Zone: Insights from the Archean Quetico Shear Zone, Superior Province, Canada

Drew Levy: How Does Heterogeneity Impact the Rheology of the Deep Seismogenic Zone?

Stephen Marshak: Interpreting Enigmatic Mesoscopic Structures of the Baraboo Syncline (Picuris-Baraboo Orogen), Wisconsin

10:30: Coffee break and posters

12:00: Lunch in Anderson Atrium

1:30 Session 4: Geoscience Education (co-chaired by Rory McFadden, SERC & Carolyn Tewksbury-Christie, Fort Lewis College)

1:30-3:00: Half the group does activity (A) and half does (B).

A. Round-robin activities

Spatial and temporal reasoning with Visible Geology web-based applications - Hannah Blatchford (Eastern Michigan University) and Andrew Laskowski (Montana State University)
Make a small simple shear apparatus - Sarah Titus
Active learning with OnRamps - Phil Resor
Equity-centered teaching in SGT - Carolyn Tewksbury-Christle
Science communication and art - Jacqueline Reber and Kim Moss
Virtual field station - Ryan Petterson
Quantitative skills in SGT - Kendra Murray

B. Carleton's geothermal system

Tour of the energy station in the basement of the science building (Rob Hansen, Carleton Facilities)
Carleton faculty use the geothermal system in their teaching and research (Dan Maxbauer and Chloe Fandel)

3:00: Afternoon break

3:30-5:00: Group swaps between activities (A) and (B).

6:00-9:00 Offsite dinner at Imminent Brewing

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Wednesday 5 August — Plenary Day 3

We will aim to stay approximately on time, but please forgive ± 10 min. Abstracts are searchable here.

7:00 Breakfast in Anderson Atrium

8:30 Session 5: Large-scale tectonics (chaired by Folarin Kolwale, Columbia University):

8:30-8:55: Meritxell Colet: Contrasting Modes of Deformation in Cratonic vs Non-cratonic Lithosphere during Early-Stage Rifting

8:55-9:20: Veronica Prush: Integrating Structural, Stratigraphic, and Thermochronologic Datasets to Test Exhumation Models for the Fra Cristobal Range in South-Central New Mexico

9:20-9:45: Nicolas Roberts: The Birth and Evolution of Plate Boundary Systems: The Critical Role of Strain Rate

9:45-10:10: Alan Chapman: Mesozoic Orogenesis in the Klamath Mountains Province (Northern California–Southern Oregon, USA) Occurred by Tectonic Switching: Insights from Detrital Zircon U-Pb Geochronology of the Condrey Mountain Schist

10:10-10:30: Poster lightning talks: Large-scale tectonics and societal relevance

Nicholas Swanson-Hysell: Midcontinent Rift Extension Ceased and the Rift Inverted due to the Grenvillian Orogeny

Jonny Wu: Asymmetric Spreading formed Shatsky-Ojin-Hess conjugate (SOHCO) Oceanic Plateau that Subducted Under North America

Stephen Marshak: The Uplift of the Ozark and Appalachian Foreland Cratonic Plateaus, USA

Nikhil Arolkar: The Northwestern Margin of the New England Avalon Terrane, Eastern Massachusetts: Nature and Ages of Deformation

Corey Flynn: Relative Timing of Seismicity, Lithologic Host and Fluctuating Strain Rates in an Exhumed Lower Crustal Shear Zone; Western Churchill Province, Canada

Yvette Kuiper: The ~1.4 Ga Picuris Orogeny in the Central Colorado Front Range

Seth Kruckenberg: Quantifying Polyphase Lower Crustal Rheology: Constraints from Mount Hay Granulites (Central Australia)

Kyle Gallant: Mapping a Fossilized Geothermal System in the Fra Cristobal Range of South-central New Mexico

Ben Frieman: Challenges and Opportunities for Structural Geologists in the Critical Minerals Sector

10:30: Coffee break and posters

12:00: Lunch in Anderson Atrium

1:30 Session 6: Societal relevance of SGT (chaired by Jonny Wu, University of Arizona)

1:30-1:55: David Oakley: Bayesian Balancing: Inverse Modeling of Fault-Related Folds for Seismic Hazard and Natural Resource Applications

1:55-2:20: Benjamin Surpless: Linking Structural Geology and Tectonics Research to the Future of Utility-scale Geothermal Energy

2:20-2:45: Amanda Hughes: Integrating Structural Observations and Models to Support Subsurface Applications: Case Studies from the Paradox Basin

2:45-3:10: Pending...

3:10-3:20: Description of breakout sessions (Titus)

3:20-3:45: Afternoon break

3:45-4:30: Breakout sessions (some topics still TBD)

AI in SGT (Juliet Crider)
Community resources in SGT (Phillip Resor and Basil Tikoff)

4:30-5:00: Short reports from breakout sessions, final announcements

6:00: Dinner

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Thursday 6 August — North Shore field trip and digital futures workshop

7:30: Breakfast (Anderson 129) for field trip and workshop

7:30 Field trip check-in. Pick up your boxed lunch; turn in your Acknowledgment of Risk form.

8:00: Field trip departs for overnight field trip to North Shore. Trip leaders: Cam Davidson (Carleton College) and Nicholas Swanson-Hysell (University of Minnesota).

8:00-4:00: Workshop: Imagining a digital future (Anderson 123). Lunch provided. Dinner on your own. Workshop leader: Basil Tikoff (University of Wisconsin).

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