2025 Annual Meeting Mountain Iron, MN, May 2025

How to become a Member

Board of Directors

Future and past meeting locations


The Constitution of the Institute

Honouring the Pioneers

ILSG Student Research Fund

Goldich Medal Guidelines and Award Winners

The Homer Award

Eisenbrey student travel award guidelines and application

Student paper awards

Publications of the Institute

Career opportunities

Books and journal articles on Lake Superior Geology

The Slate Islands


About the Institute

The Institute on Lake Superior Geology is a non-profit professional society with the objectives of providing a forum for exchange of geological ideas and scientific data and promoting better understanding of the geology of the Lake Superior region. The major activity of the Institute is an Annual Meeting with geological field trips and technical presentations

What's new

The Abstract Volume for the 70th Annual Meeting is now available on the Archives and Digital Collections at Lakehead University and can be found here

The 2025 ILSG meeting will be held in Mountain Iron, Minnesota in May 2025 - stay tuned for details

Reports of Annual Meetings

2023 Annual Meeting - Eau Claire, Wisconsin

2022 Annual Meeting - Sudbury, Ontario


Donations to support student research and travel grants, and annual meeting and field trip expenses are tax deductible, as the Institute operates under U.S. Federal tax code 501(c)(3). Inquiries and contributions can be directed to the Institute Treasurer, Mark Jirsa at 2609 Territorial Rd, St Paul, MN, 55114-1009, (jirsa001@umn.edu).