Penrose Conferences
Revitalize your geology at GSA’s Penrose Conference, the premier small meeting for collaborative research around the world. Introducing a brand new format and criteria for submission.

Archive
2025
- Eclogites in Space and Time –Bridging the Micro to Planetary Scales
19–23 June 2025, Rohnert Park, California, USA
Conveners: Chris Mattinson, Kennet Flores, David Hernandez-Uribe, and Suzanne Baldwin
Field Guide | Conference Overview | Conference Program
2023
- Developing a New Paradigm for the Late Cretaceous to Eocene North American Cordillera: A Dominantly Oblique Plate Boundary
18–25 August 2023, McCall and Riggins, Idaho, USA
Conveners: Basil Tikoff, Stacia Gordon, William A. Matthews, Elena Centeno-Garcia
Penrose Conference Report - The Role of Outburst Floods in Earth and Planetary Evolution
5–9 June 2023, Grand Coulee, Washington, USA
Conveners: Tim Goudge, Isaac Larsen, Jim O’Connor, Greta Wells
Penrose Conference Report | Participant Photo
2022
- PRF2022—Progressive Failure of Brittle Rocks
20–24 June 2022, Flat Rock, North Carolina, USA
Conveners: Matthew Brain, Martha-Cary (Missy) Eppes, Kerry Leith, and Alex Rinehart
Penrose Conference Report | Field Guide | Photos | Conference Program - The Geological Fingerprints of Slow Earthquakes
1–5 April 2022, Santa Catalina Island, California, USA
Conveners: James Kirkpatrick, Melodie French, John Platt, Christie Rowe, and David Schmidt
Penrose Conference Report | Participant Photo
2019
- Climatic Controls on Continental Erosion and Sediment Transport (CLAST2019)
4–10 August 2019, Juneau, Alaska, USA
Conveners: Tara N. Jonell, Peter D. Clift, and Jan H. Blöthe
Penrose Conference Report | Participant Photo
Program | Field Trip Guide
2018
- Advances in salt tectonics: observations, applications, and perspective: In honor of Martin P.A. Jackson
11–16 February 2018, Dead Sea, Ein Boqeq, Israel
Conveners: Ram Weinberger and Ian Alsop
Conference Overview
2017
- 250 Million Years of Earth History in Central Italy: Celebrating 25 Years of the Geological Observatory of Coldigioco
25–29 September 2017, Apiro, Marche Region, Italy
Conveners: Alessandro Montanari, Christian Koeberl
Penrose Conference Report with Abstracts | Participant Photo | GSA Special Paper 542: 250 Million Years of Earth History in Central Italy: Celebrating 25 Years of the Geological Observatory of Coldigioco
2016
- Layered Mafic Intrusions and Associated Economic Deposits
8–12 August 2016, Red Lodge, Montana, USA
Conveners: Alan E. Boudreau, Eric C. Ferré, Brian O’Driscoll, Edward M. Ripley
Penrose Conference Report
2014
- Linkages and Feedbacks in Orogenic Processes — A Conference Honoring the Career of Robert D. Hatcher Jr.
30 March–4 April 2014, Asheville, North Carolina, USA
Conveners: Ryan Thigpen, Christopher Bailey, Harold Stowell, Richard Law
Conference Overview
2013
- Predicting and Detecting Natural and Induced Flow Paths for Geothermal Fluids in Deep Sedimentary Basins
19–23 October 2013, Park City, Utah, USA
Conveners: John Holbrook, Rick Allis, Derek Elsworth, Sidney Green, Joseph N. Moore
Conference Overview - Coastal Processes and Environments Under Sea-Level Rise and Changing Climate: Science to Inform Management
Joint Penrose / Chapman Conference
14–19 April 2013, Galveston, Texas, USA
Conveners: John B. Anderson, Margaret Davidson, John W. Geissman, Gary J. Hampson, Denise J. Reed, Torbjörn E. Törnqvist
Penrose Conference Report
2012
- Deformation, Fluid Flow, and Mass Transfer in the Forearc of Convergent Margins
25–31 March 2012 • Il Ciocco, Castelvecchio Pascoli, Lucca, Italy
Conveners: Donald Fisher, César Ranero, Paola Vannucchi
Penrose Conference Report | GSA Field Guide 28: Deformation, Fluid Flow, and Mass Transfer in the Forearc of Convergent Margins: Field Guides to the Northern Apennines in Emilia and in the Apuan Alps (Italy)
2011
- Comparative evolution of past and present accretionary orogens: Central Asia and the Circum-Pacific
4–10 September 2011 • Urumqi, Xinjiang Uygur Autonomous Region, China
Conveners: Alfred Kröner, Robert J. Stern, Bor-Ming Jahn, Wenjiao Xiao, Lifei Zhang, Robert Hall, Alexander Kotov, Reimar Seltmann
Penrose Conference Report - Deformation Localization in Rocks: New Advances
27 June–2 July 2011, Cadaqués & Cap de Creus Peninsula, Catalonia, Spain
Conveners: Elena Druguet, Jordi Carreras, G. Ian Alsop, Paul D. Bons, Dyanna M. Czeck, Peter J. Hudleston, Christine S. Siddoway
Conference Overview - Neotectonics of Arc-Continent Collision
17–21 January 2011, Manizales, Colombia
Conveners: Paul Mann, Carlos Vargas Jimenez, Caroline Whitehill
Penrose Conference Report: Full Text | PDF - Google Earth: Visualizing the Possibilities for Geoscience Education and Research
4–8 January 2011; Google Inc. Headquarters, Mountain View, California, USA
Conveners: John Bailey, Declan De Paor, Tina Ornduff, Steven Whitmeyer
Conference Overview | GSA Special Paper 492: Google Earth and Virtual Visualizations in Geoscience Education and Research
2010
- Origin and Uplift of the Sierra Nevada, California, USA
16–20 August 2010, Bridgeport, California
Conveners: Cathy J. Busby, Keith D. Putirka
Penrose Conference Report
2009
- Tectonic Development of the Amerasia Basin
4–9 October 2009, Banff Centre, Alberta, Canada
Conveners: Lawrence Lawver, Victoria Pease; Co-Conveners: Ruth Jackson, Sergey Drachev
Penrose Conference Report - Low δ18O rhyolites and crustal melting: Growth and redistribution of the continental crust
9–13 September 2009, Twin Falls, Idaho, and Yellowstone National Park, Wyoming, USA
Conveners: Peter Larson, Ilya Bindeman, John Wolff
Penrose Conference Report - Plumes and Their Role in Whole Mantle Convection and Recycling
11-15 May 2009, Pico, the Azores
Conveners: C. Beier, T. Rushmer, S. Turner, E. Widom, Z. Franca
Overview
2007
- Extending a Continent: Architecture, Rheological Coupling, and Heat Budget
8-12 October 2007, Island of Naxos, Aegean Sea, Greece
Conveners: Uwe Ring, Klaus Regenauer-Lieb, Brian Wernicke, Charalampos Fassoulas
Penrose Conference Report - Hothouse, Icehouse, and Impacts: The Late Eocene Earth
3-6 October 2007, Monte Cònero (Ancona), Italy
Conveners: Alessandro Montanari, Christian Koeberl, Frits Hilgen, Rodolfo Coccioni
Penrose Conference Report
2006
- Unlocking 3D Earth Systems — Harnessing New Digital Technologies to Revolutionize Multi-Scale Geologic Models
17-21 September 2006, Durham, UK
Penrose Conference Report - Arc Crustal Genesis and Evolution
9-15 July 2006, Valdez, Alaska USA
Penrose Conference Report - When Did Plate Tectonics Begin on Earth? Theoretical and Empirical Constraints
13-19 June 2006, Lander, Wyoming USA
Penrose Conference Report | GSA Special Paper 440: When Did Plate Tectonics Begin on Planet Earth? - Chronostratigraphy: Beyond the GSSP
3-9 June 2006, Schloss Seggau, Styria, Austria
Penrose Conference Report
2005
- Lessons in Tectonics, Climate, and Eustasy from the Stratigraphic Record in Arc Collision Zones
Conveners: Peter D. Clift, Amy E. Draut
10-14 October 2005, Price, Utah USA
Penrose Conference Report | GSA Special Paper 436: Formation and Applications of the Sedimentary Record in Arc Collision Zones | GSA Field Guide: The Geology of Central and Southeastern Utah: Itinerary for a One-Day Field Trip - Kinematics and Geodynamics of Intraplate Dextral Shear in Eastern California and Western Nevada
Conveners: Jeffrey Lee, Daniel Stockli, Christopher Henry, Timothy Dixon
21-26 April 2005, Mammoth Lakes, California USA
Penrose Conference Report | GSA Field Guide: Fault Slip Transfer in the Eastern California Shear Zone-Walker Lane Belt
2004
- Secular Variation in Tectonics and Allied Fields
Conveners: Dwight Bradley, John Dewey
22-28 October 2004
St. George, Utah
Penrose Conference Report - Mass Redistribution in Continental Magmatic-Hydrothermal Systems
Conveners: John H. Dilles, Greg B. Arehart, Peter I. Nabelek, Todd C. Feeley
September 6-11, 2004
Yellowstone National Park and Butte (Fairmont Hot Springs), Montana
Penrose Conference Report - Neogene-Quaternary Continental Margin Volcanism
Conveners: Gerardo J. Aguirre-Díaz, José Luis Macías, Claus Siebe
January 12-16, 2004,
Metepec (eastern slopes of Popocatépetl volcano), Mexico
Penrose Conference Report | GSA Special Paper 402: Neogene-Quaternary Continental Margin Volcanism: A Perspective from México | GSA Field Guide: Volcanic Hazards in the Mexico City Metropolitan Area from Eruptions at Popocatépetl, Nevado de Toluca, and Jocotitlán Stratovolcanoes
2003
- Plume IV: Beyond the Plume Hypothesis — Tests of the Plume Paradigm and Alternatives
Conveners: Gillian R. Foulger, James H. Natland, Don L. Anderson
August 25-29, 2003, Hveragerði, Iceland
Penrose Conference Report - Tectonics, Climate, and Landscape Evolution
Conveners: Sean Willett, Niels Hovius, Mark Brandon, Don Fisher
Local Organizing Committee: Lu Chai-Yu, Chu Hao-Tsu, Yue-Gau Chen
January 13-17, 2003, Taroko National Park, Taiwan
Conference Overview | GSA Special Paper 398: Tectonics, Climate, and Landscape Evolution
2002
- Three-Dimensional Flow, Fabric Development, and Strain in Deformed Rocks and the Significance for Mountain Building Processes: New Approaches
Conveners: Hermann Lebit, Catalina Lüneburg, Peter Hudleston, John Ramsay
August 18-24, 2002, Ascona, Switzerland
Penrose Conference Report - Precambrian High-Pressure-High-Temperature Metamorphism: A Key to Understanding the Lower Crust and Reconstruction of Precambrian Plate Tectonics
Conveners: M. Brown, A. Kröner, P.J. O'Brien, C.W. Passchier, Li Jianghai, Zhai Mingguo
September 23-29, 2002, Hengshan-Wutaishan and Beijing, China
Conference Overview
2001
- Longevity and Dynamics of Rhyolitic Magma Systems
Conveners: Kurt Knesel, George Bergantz, Jon Davidson
June 7-12, 2001, Mammoth, California
Conference Overview
2000
- Volcanic Rifted Margins
Conveners: Ian Davison, Joel Baker, Martin Menzies
March 27–31, 2000, Royal Holloway, University of London, Egham Surrey
Penrose Conference Report - Great Cascadia Earthquake Tricentennial
Conveners:
John J. Clague, Brian F. Atwater, Kelin Wang, Yumei Wang, and Ivan G. Wong
June 4–8, 2000, Seaside, Oregon
Penrose Conference Report - The Iapetus Ocean — Its Birth, Life, and Death: The Wilson Cycle
Conveners: Ian Dalziel, Douglas J. Fettes, Anthony L. Harris, and Ricardo Astini
September 17–24, 2000, Edinburgh, Scotland
Penrose Conference Report
1999
- Subduction to Strike-Slip Transitions on Plate Boundaries
Conveners: Paul Mann, Nancy Grindlay, James Dolan
January 18–24, 1999, Puerto Plata, Dominican Republic
Penrose Conference Report
Visit http://people.uncw.edu/grindlayn/penrose.html for more postconference information. - Mid-Cretaceous to Recent Plate Boundary Processes in the Southwest Pacific
Conveners: Suzanne L. Baldwin, Gordon S. Lister
March 25–31, 1999, Arthur's Pass, South Island, New Zealand
Penrose Conference Report - Terrane Accretion Along the Western Cordilleran Margin: Constraints on Timing and Displacement
Conveners: Brian Mahoney, Basil Tikoff, Julie A. Maxson
June 21–27, 1999, Winthrop, Washington. Penrose Conference Report - The Marine Eocene-Oligocene Transition
Conveners: Donald R. Prothero, Linda C. Ivany,
Elizabeth A. Nesbitt
August 17–22, 1999, Olympia, Washington. Penrose Conference Report
1998
- Linking Spatial and Temporal Scales in Paleoecology and Ecology
Conveners: Andrew S. Cohen, James Brown, Dale Springer, Peter Holterhoff
May 14–18, 1998, Solomons, Maryland. Penrose Conference Report - Evolution of Ocean Island Volcanoes
Conveners: Dennis Geist, Wendy Bohrson, Karen Harpp
June 4–12, 1998, Galápagos Islands, Ecuador. Penrose Conference Report - Processes of Crustal Differentiation: Crust-Mantle Interactions, Melting, and Granite Migration Through the Crust
Conveners: Tracy Rushmer, Michael Brown, George Bergantz
July 4–11, 1998, Solomons, Maryland. Penrose Conference Report - Ophiolites and Oceanic Crust: New Insights from Field Studies and Ocean Drilling Program
Conveners: Yildirim Dilek, Eldridge M. Moores, Don Elthon, Adolphe Nicolas
September 13–17, 1998, Solomons, Maryland. Penrose Conference Report | GSA Special Paper 349: Ophiolites and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program