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Quaternary

Unveiling the landscape: a new statewide map of the Quaternary Geology of Wisconsin

Posted on March 24, 2025

March 24th, 2025 Mel Reusche, WGNHS Communications and outreach specialist Ridges and valleys, lakes and marshlands, rolling hills and lakeshore cliffs – the landscapes we recognize across Wisconsin are the result of fascinating and complex …

Posted in Geology research, Staff stories, WGNHS blog, WGNHS researchTagged Quaternary, Research

Researching erosion along Lake Michigan

Posted on March 19, 2024

This blog post was written by UW-Madison undergraduate student Lindsay Summers, who worked at WGNHS as a social media and geology Assistant for two years before graduating in 2023. Includes March 2024 update from Elmo …

Posted in Geology research, WGNHS blog, WGNHS researchTagged Erosion, Lake Michigan, Quaternary, Research

Geologic Map of the Dells of the Wisconsin River State Natural Area

Posted on January 19, 2024

The geologic map of the Dells of the Wisconsin River State Natural Area provides a detailed look at the bedrock geology present at one of Wisconsin’s most cherished natural sites. The map and accompanying report …

Posted in Hot off the PressTagged Adams County, bedrock, Columbia County, Juneau County, Quaternary, Sauk County, Wisconsin River

Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin

Posted on January 19, 2024

The geologic map of the Fennimore and Mount Hope quadrangles includes 1:24,000-scale mapping of both surficial and bedrock geology. The mapping was initiated to support groundwater studies in the area. The map and accompanying report …

Posted in Hot off the PressTagged bedrock, Driftless Area, Grant County, Quaternary

Quaternary Geology of Waupaca County, Wisconsin

Posted on October 13, 2023

The Quaternary geologic map of Waupaca County, Wisconsin, provides details about the surficial sediment and landscapes that were formed underneath and adjacent to the Laurentide Ice Sheet during the late Wisconsin Glaciation (ca. 20,000 years …

Posted in Hot off the PressTagged Quaternary, Waupaca County

Geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin

Posted on October 13, 2023

The geologic map of the Stitzer and western part of the Montfort quadrangles includes 1:24,000-scale mapping of both surficial and bedrock geology. This area occurs at the northern margin of the historic Upper Mississippi Valley …

Posted in Hot off the PressTagged bedrock, Driftless Area, Grant County, Quaternary

The Driftless Area: The extent of unglaciated and similar terrains in Wisconsin, Illinois, Iowa, and Minnesota

Posted on July 20, 2023

The Driftless Area of southwestern Wisconsin and northwestern Illinois got its name from the lack of glacial sediment (“drift”) covering the landscape. The surficial geology and topography of the Driftless Area are thus distinct from …

Posted in Hot off the PressTagged Driftless Area, Quaternary

Geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin

Posted on December 15, 2022

The geologic map of the Bloomington and Brodtville quadrangles includes 1:24,000 scale mapping of both surficial and bedrock geology. There is little structural folding or faulting in this portion of the Driftless Area. Thus, it …

Posted in Hot off the PressTagged bedrock, Driftless Area, Quaternary

Quaternary Geology of Jefferson County, Wisconsin

Posted on October 28, 2022

The Quaternary geologic map of Jefferson County, Wisconsin, provides details about the surficial sediment and landscapes that were formed largely in the footprint of the Laurentide Ice Sheet’s southern Green Bay Lobe during the late …

Posted in Hot off the PressTagged Quaternary

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