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Geologic Map of the Dells of the Wisconsin River State Natural Area
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 present the Paleozoic bedrock stratigraphy of the visible formations, as well as an interpretation of their depositional environment. This map...-
Geologic Map of the Dells of the Wisconsin River State Natural Area
2023
Map: 30 x 36 in, scale 1:12,000
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Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin
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 present the Paleozoic bedrock stratigraphy, including structures, as well as data from three new bedrock drill cores...-
Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin
2023
Map: 50.55 x 36 in, scale 1:24,000
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GIS Data for the Geologic Map of the Fennimore and Mount Hope 7.5-Minute Quadrangles, Grant County, Wisconsin [dataset 2]
2023
GIS Data: GeMS file geodatabase, metadata
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Geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin
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 lead and zinc mining district. Paleozoic strata are folded into a regionally-significant anticline, and mapping was initiated to...-
Geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin
2023
Map: 46.15 in x 36 in, scale 1:24,000
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GIS data for geologic map of the Stitzer and western part of the Montfort 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2023
GIS Data: GeMS file geodatabase, shapefiles, metadata
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Evaluating pXRF instrument performance using reference materials
The portable X-Ray Fluorescence (pXRF) instrument provides fast, real-time, non-destructive, multi-element geochemical data (i.e. elemental concentrations) on rocks and minerals at a relatively low cost and with minimal sample preparation. This study quantifies the precision and accuracy of measurements collected by the WGNHS pXRF on reference materials...-
Evaluating pXRF instrument performance using reference materials
2023
Report: 50 p. (report) + 31 p. (appendices)
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Geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin
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 is ideal for studying the hydrostratigraphic framework of the mapped units. The accompanying report presents stratigraphic...-
Geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin
2022
Map: 41 in x 35 in, scale 1:24,000
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GIS data for the geologic map of the Bloomington and Brodtville 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2022
GIS Data: File geodatabase
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Geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin
The geologic map of the Castle Rock and Long Hollow quadrangles includes 1:24,000 scale mapping of both surficial and bedrock geology. The accompanying report presents new observations about bedrock folds and fracture sets in this portion of the Driftless Area that lies just north of the main Upper Mississippi Valley zinc-lead mineral district. The...-
Geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin (revised 2022)
2022
Map: 48 in x 36 in, scale 1:24,000
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GIS data for the geologic map of the Castle Rock and Long Hollow 7.5-minute quadrangles, Grant County, Wisconsin [dataset 1]
2022
GIS Data: File geodatabase
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Depth-to-Bedrock Mapping in Wisconsin
Depth-to-bedrock maps show the thickness of unconsolidated materials overlying bedrock. These maps provide a key link between the underlying geology, groundwater flow, and land use and are important in guiding activities such as permitting, bridge construction, and the land application of waste products in sensitive areas. Given their role in guiding... -
Depth-to-Bedrock Map of Dodge County, Wisconsin
This map shows thicknesses of deposits of unconsolidated materials above the bedrock. Across the county, depth to bedrock ranges from 0 feet, where bedrock is exposed, to over 250 feet within bedrock valleys. Areas with bedrock depths shallower than 20 feet are of particular importance for land-use planning and to the construction stone industry. Such... -
Geologic Map of the Baraboo 7.5-Minute Quadrangle, Sauk County, Wisconsin
The Baraboo quadrangle, records where glaciers stopped in the east-central Baraboo Hills. On this map, 1:24,000 scale, Precambrian igneous and metasedimentary rocks are overlain by Paleozoic sedimentary rocks and, more recently, by glacial deposits. Superb exposures of all three can be found in Devils Lake State Park and Parfreys Glen State Natural Area.-
Geologic Map of the Baraboo 7.5-Minute Quadrangle, Sauk County, Wisconsin
2021
Map: 35 in x 37 in, scale 1:24,000
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Geologic Map of the Rock Springs 7.5-Minute Quadrangle, Sauk County, Wisconsin
The Rock Springs quadrangle is located in the western Baraboo Hills of south-central Wisconsin. This map, 1:24,000 scale, conveys the rich Precambrian through Quaternary history present on the ground. Here, ancient rocks metamorphosed and folded and were later displaced by a series of faults. Although never glaciated, an ice sheet 8 kilometers to the east...-
Geologic Map of the Rock Springs 7.5-Minute Quadrangle, Sauk County, Wisconsin
2021
Map: 40 in x 36.5 in, scale 1:24,000
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Geochemistry and Mineralogy of the Wonewoc-Tunnel City Contact Interval Strata in Western Wisconsin
Results of regional study characterizing the elemental composition of rocks found at the Wonewoc-Tunnel City contact interval in west-central and southwest Wisconsin.-
Geochemistry and Mineralogy of the Wonewoc-Tunnel City Contact Interval Strata in Western Wisconsin [appendices]
2019
Data: PDF files + Excel spreadsheet
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Central Sands Lakes Study: Annotated Bibliography
The authors of this open-file report scoured the literature for previous studies about the Central Sands area. This bibliography provides an overview of available research related to the hydrogeologic setting and water-budget components of the Central Sands Lakes Study (CSLS). -
Field Trip: Cambrian and Ordovician Stratigraphy of Southwestern Wisconsin
Field trip route and notes looking at Cambrian and Middle Ordovician rocks of southwestern Wisconsin. -
Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin
This open-file report documents the first year of a two-year mapping project in Trempealeau County, Wisconsin. This preliminary document is being released to encourage input on the mapping methods and map to make the final product as useful as possible. Contains 27-page report, map of southern Trempeleau County, cross section, and photos of drill core.-
Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin [plate 1]
2018
Plate: 26 in x 30 in, scale 1:100,000
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Preliminary Bedrock Geology of Southern Trempealeau County, Wisconsin [plate 2]
2018
Plate: 27.8 in x 24.85 in
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Industrial Sand Resources of West-Central Wisconsin
Field trip guidebook showcasing four sites in Trempealeau County in west-central Wisconsin. The focus of this trip is on the sandstone formations that are prized for frac sand mining. (A draft of this book was originally prepared for the 2017 American Institute of Professional Geologists (AIPG) Sand Mine Life Cycle Seminar held in Eau Claire, Wisconsin.) -
Elemental Chemostratigraphy of the Cottage Grove Hole MP-18 Core: Implications for Litho- and Hydrostratigraphy in Southcentral Wisconsin
Part of a larger regional study of the Eau Claire Formation, the core, from Dane County, Wisconsin, was tested using a portable x-ray fluorescence (pXRF) elemental analyzer. The report presents the data set and discusses lithologic interpretations, subsurface lithostratigraphic correlations, and hydrostratigraphic frameworks. Includes photos of the core. -
Sampling Methodologies and Data Analysis Techniques for Geologic Materials Using Portable X-Ray Fluorescence (pXRF) Elemental Analysis
Details the current WGNHS approach to pXRF analysis, including usage guidelines, sample preparation, calibration, and plotting techniques.-
Sampling Methodologies and Data Analysis Techniques for Geologic Materials Using Portable X-Ray Fluorescence (pXRF) Elemental Analysis [appendices]
2016
Data: PDF files + Excel spreadsheet
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Preliminary Bedrock Geology of Sheboygan County, Wisconsin
Open-file report; contains unpublished data that has not yet been peer-reviewed.-
Preliminary Bedrock Geology of Sheboygan County, Wisconsin (version 2) [GIS data]
2013
GIS Data: GeMS file geodatabase and metadata, supersedes previous shapefile format (DI version 1). Map supersedes WOFR2012-07
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Preliminary Bedrock Geology of Dane County, Wisconsin
This map, produced at a scale of 1:100,000, reveals the intricate layers of bedrock below Dane County. Available as a map (plate 1), cross sections (plate 2), and GIS data. Open-file report; contains unpublished data that has not yet been peer-reviewed.-
Preliminary Bedrock Geology of Dane County, Wisconsin [plate 1]
2013
Map: 39 in x 25 in, scale 1:100,000
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Sources of naturally occurring chromium in bedrock aquifers underlying Madison, Wisconsin
Open-file report; contains unpublished data that has not yet been peer-reviewed.-
Sources of Naturally Occurring Chromium in Bedrock Aquifers Underlying Madison, Wisconsin [appendices]
2012
Data: Data files (tab-delimited)
Publications Catalog
Wisconsin Geological and Natural History Survey
