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Wisconsin's state fossil, Calymene celebra

The Wisconsin Geological and Natural History Survey (WGNHS) has been serving Wisconsin for over 100 years. Part of the University of Wisconsin-Madison Division of Extension, we provide objective scientific information about the geology, mineral resources, and water resources of Wisconsin.

November 25, 2020, 6:02 pm

It has been a while since our timeline was flooded with a #WaterWednesday post! On Friday, December 11th, Water@UW-Madison will host a free Zoom event in partnership with the Freshwater Collaborative of Wisconsin. This livestream will feature an interdisciplinary group of more than a dozen ... See more

November 24, 2020, 6:01 pm

Brrrrr...it's starting to get chilly in Wisconsin! Good thing it's not as cold as it was 20,000 years ago when the Green Bay Lobe of the Laurentide Ice Sheet occupied eastern Wisconsin. One fascinating remnant the Green Bay Lobe left behind are the teardrop-shaped drumlins that are clearly seen in ... See more

November 23, 2020, 6:01 pm

This #MineralMonday of #NativeAmericanHeritageMonth features catlinite, more commonly known as pipestone! A mixture of pyrophillite and sericite, pipestone is typically seen in shades of pink and red. This metamorphosed mudstone has long been used for pipe carving in Native American cultures, ... See more

November 23, 2020, 4:08 pm

Attend the UWSP College of Natural Resources Center for Watershed Science and Education Groundwater Model Workshop and receive a FREE hands-on Groundwater Model. This March 3rd workshop is limited to 20. Submit your application now, registration closes Dec. 1. ... See more

November 20, 2020, 6:01 pm

Feeling a desire to wander? Or just want to learn about some cool geology? The National Park Service has you covered, virtually! On their Geology Concepts page, you can learn about topics such as geologic time and how to read a landscape while also enjoying photos of our national parks! Check it ... See more

November 19, 2020, 6:15 pm

Today marks the 51st anniversary of Apollo 12 astronauts Pete Conrad and Alan Bean becoming the third and fourth people on the Moon!

In 1969, the two men landed on Oceanus Procellarum, a 3.5 billion year old lunar region. Originally thought to be formed from a massive asteroid impact early in the ... See more


To mitigate the spread of COVID-19 our staff are working remotely until further notice. Thanks for your patience in this difficult time. Stay well. Read more...

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