Welcome to the Kalamazoo Geological & Mineral Society (KGMS)
The 2025 KGMS Rock & Gem Show is May 2-4, 2025, more info on the Show page
Guest speakers include Eric Rintamaki and Paul Brandes
Eric Rintamaki is the founder and discoverer of the famous "Yooperlite".
Paul Brandes is the author of "Michigan Rocks! A Guide to Geologic Sites in the Great Lakes State"
Speaker Schedule
Friday May 2
Time Speaker Location
3:00 pm Eric Rintamaki His Booth
4:30 pm Paul Brandes Main Speaker Area
6:00 pm Eric Rintamaki His Booth
7:00 pm Paul Brandes Main Speaker Area
Saturday May 3
Time Speaker Location
11:00 am Paul Brandes Main Speaker Area
1:00 pm Eric Rintamaki His Booth
3:00 pm Paul Brandes Main Speaker Area
4:00 pm Eric Rintamaki His Booth
Sunday May 4
Time Speaker Location
11:00 am Paul Brandes Main Speaker Area
1:00 pm Eric Rintamaki His Booth
3:00 pm Paul Brandes Main Speaker Area
4:00 pm Eric Rintamaki His Booth