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The WGNHS archives not only rocks and digital data, but also historical fieldnotes and photos! Taken on July 18th, 1927, this photo depicts geologists standing on a ledge at Mosquito Mound, near Bancroft, Wisconsin. What a cool piece of Wisconsin history!

Happy #FossilFriday! This week we are looking at cephalopod mollusks, AKA squids and octopuses! Learn more on our website here: home.wgnhs.wisc.edu/wisconsin-geol…

At the end of May, WGNHS hydrogeologists Moe Muldoon and David Hart spoke as part of the Geology of Southeast Wisconsin Training offered through the Conservation Professional Training Program through UW–Madison Division of Extension! conservationprotraining.org/event/geology-…

Happy Pride Month from WGNHS! We wanted to highlight a new space that the American Geophysical Union has created for LGBTQ+ and allies. All are welcome in AGQ, the AGU Queer Affinity Group! Get connected with the AGQ linktree linked below! linktr.ee/queeragu?fbcli…

Check out this new #WGNHS publication! This map showcases the Bedrock Geology of Grant County, Wisconsin and includes a detailed report, full map, as well as 3D raster files to easily visualize the area's stratigraphy. Check out the full publication here! doi.org/10.54915/xdjk3…

Check out the 3D raster data available in our newest publication: Bedrock Geology of Grant County, Wisconsin! This allows us to easily visualize the area's stratigraphy. Check out the full publication and access this dataset on our website! doi.org/10.54915/xdjk3…

Happy Juneteenth from WGNHS! We wanted to highlight the National Association for Black Geoscientists National Association of Black Geoscientists. Connect with mentors and peers, find scholarships, and present research. Geoscience is better with all of us! nabg-us.org #Juneteenth

We hope to see everyone tomorrow at the Madison Juneteenth event at Penn Park, hosted by the Kujichagulia Madison Center for Self-Determination! WGNHS has some fun activities to share and we are excited to talk Wisconsin rocks!

Happy #MineralMonday! Here is the intriguing green sandstone of the Tunnel City formation in WI! The green mineral glauconite forms on the seafloor once the sand has been deposited, and here highlights the sedimentary structures preserved in this sample.

WGNHS Quaternary Research Assistant and UW-Madison graduate student Mara Corum has been busy! #Fieldwork season means plenty of cores to open, describe, and photograph. Collecting cores like this gives geologists key information to map the sediments beneath our feet.

Looking for some fun at-home summer learning activities for kids? Learn more about Wisconsin Geology using some playdough and our learning guide! This hands-on fun can help kids envision the four main aquifers of Wisconsin, the source of our groundwater. home.wgnhs.wisc.edu/wisconsin-aqui…

Medical technology can provide important geological insight! CT scanning equipment from a dentist’s office allowed researchers to create never-before-seen images of the inner structure of giant hailstones. Learn more from Eos Magazine: eos.org/articles/ct-sc…

Ever taken a swim like this? This clip was taken while WGNHS hydrogeologists collected data from a canoe in a spring-fed creek that flows across the Nature Conservancy’s Pickerel Lake Fen in Walworth County, Wisconsin. Check out our YouTube channel here! youtube.com/watch?v=bsRHpd…

Data collected by state health officials shows an increase in tick activity this year, compared to recent years. Ways to prevent tick bites include wearing bug repellent, wearing longer clothes, and treating clothes with permethrin. Learn more from WPR! wpr.org/news/tick-upti…

Did you know that its Clean Beaches Week? Learn more about the efforts and goals of clean beaches week and ways you can participate with the links below! Learn more here! nationaltoday.com/clean-beaches-… Check out this list of Madison beaches to visit! cityofmadison.com/parks/beach/

This Saturday from 9 a.m. - 12 p.m. at the UW Arboretum Wingra Oak Savanna, volunteer for restoration activities and learn about prairies and savannas! Find more information here: arboretum.wisc.edu/event/208859/

If you are from the Milwaukee area, you're likely familiar with Estabrook Park. This area has a long history of rock quarrying, with fossils unique to Milwaukee County. Learn more from the UW-Milwaukee's radio channel, WUWM 89.7 FM: wuwm.com/environment/20…

The #WGNHS studies Wisconsin's geology, but don't fret if you live outside the Badger State! @UGSG houses an interactive map featuring their geologic maps across the United States. Let us know where you are tuning in from & view maps here! ngmdb.usgs.gov/mapview/?cente…

Happy #MapMonday! The WGNHS is proud to announce a new, interactive Mapping Status Portal where you can explore all of our published & upcoming maps! Explore the portal: ow.ly/ihv550WlS4F Read more about the project: home.wgnhs.wisc.edu/the-wgnhs-mapp…

Important imaging of Wisconsin and Michigan is taking place through airborne geophysical technology! With low-level airplane flights, USGS is able to acquire both magnetic and radiometric data across two areas in the states. Learn more here! usgs.gov/news/state-new…