UW Extension
Wisconsin's state fossil, Calymene celebraLink to People page (staff photo taken during 2016 field trip)

Wisconsin Geological & Natural History Survey

The Wisconsin Geological and Natural History Survey (WGNHS) has been working to serve Wisconsin for over 100 years. Part of University of Wisconsin-Extension, we provide objective scientific information about the geology, mineral resources, and water resources of Wisconsin.
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 20, 2018 @ 9:00am
A topographical map of Wisconsin shows the diverse landscape through which the Wisconsin River travels today. Note how the lobes of the Laurentide Ice Sheet deeply affected the course of the river and contributed to the formation and subsequent draining of glacial Lake Wisconsin. (more at http://tinyurl.com/yaf8kpl8) #MondayMap
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 20, 2018 @ 6:35am
Flood warnings in southern Wisconsin today.
Nothing like southern India! More info below. #geohazard
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 19, 2018 @ 5:00pm
From a hillside near the Shadewald Mounds, just outside of Muscoda, Carson describes how thousands of years of glacier-derived sediment covered the deeply scoured bedrock of the ancient river valley (visible in the distance) with sand, gravel, and other debris. Photo by Tom Jenz. (More at http://tinyurl.com/yaf8kpl8)
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 19, 2018 @ 1:00pm
A new mineral has been discovered!!
U is for Uakitite!
Read full article: http://www.mining.com/russian-scientists-discover-new-mineral/
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 18, 2018 @ 1:00pm
T is for Topaz! "Topaz forms in granitic pegmatites, in cavities in rhyolitic volcanic rocks and in residual soils and placers derived from them."
Learn more: https://wgnhs.uwex.edu/minerals/topaz/
Wisconsin Geological & Natural History Survey
Wisconsin Geological & Natural History SurveyAug 18, 2018 @ 10:00am
Eric Carson and his team used geoprobe coring to determine bedrock surface elevations in the Wisconsin River valley. (More at https://www.wisconsinacademy.org/magazine/summer-2018/discovery/river-flows-uphill)