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ROOT _ScienceBase Catalog __ReSciColl Archive ___Minnesota Geological Survey Filters
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Map Package format. Structure point data set containing locations and structure type, with strike and dip (planar features) and trend and plunge (linear features). The symbology is derived from ESRI Representations associated with the SymbolFGDCLookup table in the geodatabase. Most trends and dips are based on field measurements using Brunton or similar compass. A sun compass was employed in areas of strong magnetic signature, such as iron-formation. Contains bedrock structural measurements acquired by the multiple field geologists over 40+ years. Collected from bedrock exposures and from data transcribed from published and unpublished analog (non-digital) maps. To access the full data set, download using the link...
The Minnesota Department of Natural Resources (DNR) completed an inventory of the holdings of the DNR Drill Core Library (DCL). The Drill Core Library facility contains geologic materials including drill core, rotasonic samples, cuttings, pulps and rejects, processed materials, peat, thin sections, thin section billets and hand samples. The inventory project also included identifying space and preservation issues, beginning the process of centralizing and standardizing the administrative databases for all holdings, and making more information within the DCL publicly available.
Categories: Collection;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Drill hole data,
Mineral Exploration,
Mineral materials,
drill core data,
ndc_collection
Location data for exploratory, sciencific, or engineering borings conducted statwide since the early 1900s. Drill Core and/or other samples from a large number of these borings are stored in the DNR's Drill Core Library in Hibbing, Minnesota. For more information on the drill core library please vist the DNR's webpage: http://www.dnr.state.mn.us/lands_minerals/dc_library.html
Categories: Collection;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Geospatial,
Minnesota,
Web map application,
ndc_collection
Overview map with 11 layers of lines and polygons that can be turned on an off making younger units 'removable' to expose older bedrock units as part of a layered bedrock geologic map of Minnesota. Downloadable layers can be found on the MGS's Open Data portal under the Spatial Datasets, D-05, Layered Bedrock Geology. Check the 11 Layers on the right side of the page and select which layer you would like to download. Mesozoic--Map showing where rocks of Mesozoic (principally Cretaceous age, nominal Jurassic age) mapped or presumed to exist in Minnesota; Paleozoic--Map showing where Paleozoic age rocks are mapped in Minnesota; Precambrian--Map showing the location and type of Precambrian rocks mapped in Minnesota;...
Map document with four rasters showing depth to different bedrock surfaces in Minnesota and continuing into the Lake Superior part of Minnesota. The surfaces are Depth to Bedrock (Quaternary sediment thickness to the top of the Cretaceous); Depth to the pre-Mesozoic surface (bottom of Cretaceous and top of Precambrian and Paleozoic); Depth to Precambrian (beneath the Paleozoic rocks) and Depth to Basement where Precambrian rocks that form Proterozoic basins have been removed and elevations of the new surface have been determined from geophysical data and modeling. Depths have been calculated from the land surface in all cases. These maps also include that part of Minnesota that lies in the western part of the Lake...
Tags: ndc_collection
This document compiles the location of mineral deposits and resources in Minnesota containing commodities that were identified as critical minerals by the United States Geological Survey (USGS) and Department of the Interior in their 2022 Final List of Critical Minerals.
Categories: Collection;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Critical Minerals,
Mineral Exploration,
ndc_collection
GIS data set consisting of more than 200,000 polygons that represent areas where bedrock is at and near the land surface. The attribute table includes descriptions of features if available. The feature data may also include multiple overlapping polygons and differing descriptions at some locations, indicating the historical nature of outcrop mapping in the state.
Geochronology is the science of determining the age of rocks, fossils, and sediments and other materials. This database contains geochronologic data in GIS point format for published geochronological dates on Precambrian rocks, acquired and published by the Minnesota Geological along with selected published dates from adjacent. Compiled by the MGS for distribution. The file contains a full reference for each sample. To view the data on the web just click on this link to the Geochronology sample locations with the Minnesota bedrock geology and topography web map. A second link is provided that shows the geochron sample locations over the bedrock geologic map of Minnesota.
Geological hand samples and thin section database consists of four datasets. These datasets are the Thinsection locations, 2012 - 2020, Handsample locations, 2012 - 2020, Winchell rock catalog, 2020 and the Pillsbury rock catalog, 2020. All locations are available for viewing and downloading. The MGS hand sample database is a digital database cataloging approximately 45,000 physical geologic hand samples collected in Minnesota over the last 100+ years. Hand samples are property of the MGS and currently reside at the MN DNR core facility in Hibbing, Minnesota. Each sample has the minimum identifying data of Sample ID and location. Many samples are much more fully attributed with data including, but not limited...
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