Thompson Field Forums
Revitalize your geology at GSA’s Thompson Field Forum; trips that capture the essence of geologic discoveries or controversial topics. Introducing a brand new format and criteria for submission.
Archive
2025
- The Geology of Cuba: Key for the Tectonic Evolution of the Caribbean–North American Plates
12–18 April 2025, Western and Central Cuba
Field Report (PDF) | Participant Photo | Forum Overview
2022
- Old or Young? The Topographic Evolution of the Sierra Nevada
20–27 June 2022, Nevada and California, USA
Field Report (PDF) | Participant Photo | Forum Map
2019
- Age and Carving of Grand Canyon: Toward a Resolution of 150 Years of Debate
14–21 September 2019, Grand Canyon, Arizona, USA
Field Report (PDF) | Participant Photo
2018
- Processes Controlling the Growth and Evolution of Continental Batholiths, Coast Mountains, British Columbia, Canada
12–17 August 2018, Terrace and Prince Rupert, British Columbia, Canada
Field Report (PDF)
2017
- Catastrophic Mega-Scale Landslide Failure of Large Volcanic Fields
16–22 September 2017, Cedar City and Bryce Canyon City, Utah, USA
Field Report (PDF) | Participant Photo | GSA Field Guide 56: The Gigantic Markagunt and Sevier Gravity Slides Resulting from Mid-Cenozoic Catastrophic Mega-Scale Failure of the Marysvale Volcanic Field, Utah, USA
2012
- Formation of the Sierra Nevada Batholith: Magmatic and Tectonic Processes and Their Tempos
1–8 September 2012, Sierra Nevada, California, USA
Field Report (PDF)
2010
- Significance of Along-Strike Variations for the 3-D Architecture of Orogens: The Hellenides and Anatolides in the Eastern Mediterranean
16–22 May 2010, Samos, Greece
Field Report (PDF) | Photos
2009
- Structure and Neotectonic Evolution of Northern Owens Valley and the Volcanic Tableland, California
13–19 September 2009, Bishop, California, USA
Field Report: Full Text | PDF
2008
- Late Archean Crust: Magmatism and Tectonics of the Abitibi Subprovince, Canadian Shield
Abitibi granite-greenstone belt and Kapuskasing structural zone
19–25 July 2008, Ontario and Québec, Canada
Forum Overview
2007
- Assessing the State of Our Knowledge of Continental Arc Volcanism: The Tatara–San Pedro complex, 36ES, Chilean Southern Volcanic Zone
3–13 February 2007, Talca, Chile
Field Report - Marine impact craters on Earth: Field investigation of the Wetumpka impact structure, a well-preserved marine impact crater, and the K-T boundary in the Alabama Gulf Coastal Plain
8–11 March 2007, Wetumpka, Alabama, USA
Field Report
2006
- Tectonic Significance of Vertical Boundaries in the Cordillera
30 July–5 August 2006, McCall, Idaho, USA
A field investigation of the western Idaho shear zone, on the western edge of the Idaho Batholith
Field Report: Full text | PDF
2005
- Rethinking the Assembly and Evolution of Plutons: Field Tests and Perspectives
7–13 October 2005, Lander, Wyoming, USA
Mesozoic Cordilleran batholith from Yosemite to the White Mountains, California
Field Report
2004
- Melt Segregation and Transfer Mechanisms in the Lower Crust
4–9 July 2004, Kaapvaal Craton, South Africa
Field Report
2003
- Structural Controls on Magma Transport and Vertical Coupling in the Continental Lithosphere
26 April–6 May 2003, Fiordland, New Zealand
Field Report
2002
- Kinematics and Vorticity of High-Strain Zones
16–21 April 2002, Virginia Blue Ridge and Piedmont, USA
Field Report
2001
- Bolide Impacts on Wet Targets
22–28 April 2001, Nevada and Utah, USA
Field Report
2000
- Glaciohydraulic Supercooling, Basal Freeze-on, Stratified Basal Ice and "Deformable Till Beds": Matanuska Glacier, Alaska
18–22 March 2000, Matanuska Glacier, Alaska, USA
Field Report - Correlating Volcanic and Plutonic Perceptions of Silicic Magma Chamber Processes: Evidence from Coastal Maine Plutons
14–18 September 2000, Ellsworth, Maine, USA
Field Report