Geological map of Denmark, 1:500,000 – The Danish Basin: Structural map of the Top Chalk

The dataset comprises a geological structural map of the Danish Basin at a scale of 1:500,000 showing the structure of the chalk surface (Top Chalk). The map was published in 1991 as part of the DGU Map Series no. 7 and is based on regional geological interpretation of borehole data and seismic data. The data basis includes deep onshore boreholes, seismic profiles from hydrocarbon exploration, and seismic surveys from the inner Danish waters. The map covers Denmark and adjacent marine areas and was produced to support regional geological understanding of the structure of the chalk surface in the Danish Basin.

Simple

Date ( Publication )
1990-09-03
Identifier
dk.geus / dk_danishbasin_topchalk_structure_500k
Presentation form
Digital map
Purpose
The purpose of the dataset is to document the regional structure of the chalk surface (Top Chalk) in the Danish Basin, thereby providing a basis for geological and structural interpretation at national and regional scale. The dataset is intended for use in geological analyses, planning purposes and research-related applications.
Status
Completed
Point of contact
  The Geological Survey of Denmark and Greenland (GEUS) - GIS-support ( )
Maintenance and update frequency
As needed
Point of contact
  The Geological Survey of Denmark and Greenland (GEUS) - GIS-support
Keywords ( Theme )
  • Dataset
  • Geology
  • Top Chalk
  • Danish Basin
  • Chalk Group
  • Denmark
Forskningsemner Forskningsemner ( Theme )
Geografisk Geografisk ( Place )
Access constraints
Other restrictions
Use constraints
Other restrictions
Other constraints
CC BY-SA 4.0
Other constraints
Use of the dataset requires acknowledgement of the Geological Survey of Denmark and Greenland (GEUS) as the data source.
Spatial representation type
Vector
Spatial representation type
Grid
Denominator
500000
Metadata language
Da
Character set
UTF8
Topic category
  • Geoscientific information
  • Elevation
Begin date
1980-01-01
End date
1991-01-01
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Supplemental Information
The dataset is a map product at a scale of 1:500,000 and should be used with consideration of the map scale and level of generalisation. The map is part of the DGU map series and reflects the data coverage and geological knowledge available at the time of publication.
Reference system identifier
ETRS 89 / UTM 32N (EPSG:25832)
Distribution format
  • WMS ( )

  • REST ( )

Distributor
  The Geological Survey of Denmark and Greenland (GEUS) - GIS-support
OnLine resource
Interactive webmap ( WWW:LINK-1.0-http--link )

Interactive map displaying the dataset.

OnLine resource
Geological map of Denmark 1:500,000. The Danish Basin. Structural map of the Top Chalk ( DOI )

The publication presents a regional geological structural map of the chalk surface (Top Chalk) in the Danish Basin, based on interpretation of borehole and seismic data acquired over several decades. The map is published as part of the DGU Map Series no. 7.

OnLine resource
DetDanskeBassin ( ESRI:REST )

ArcGIS REST Service

OnLine resource
DB_BasisKalk_depth ( OGC:WMS-1.3.0-http-get-capabilities )

ArcGIS WMS Service

Hierarchy level
Dataset
Statement
The map was published as DGU Map Series no. 7 in 1991 and was produced based on interpretation of borehole data and seismic data acquired over a period of approximately 15–20 years prior to publication. The data basis includes around 75 deep onshore boreholes and approximately 4,000 km of seismic profiles from hydrocarbon exploration, supplemented by seismic surveys from the inner Danish waters. Existing geological maps from adjacent areas were also incorporated to ensure regional structural consistency. The dataset represents the geological interpretation available at the time of publication.
File identifier
df77efca-6103-45b0-ba93-6e7fe4f1398c XML
Metadata language
Danskda
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2026-03-20T14:15:02.008142Z
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0
Point of contact
  The Geological Survey of Denmark and Greenland (GEUS) - GIS-support ( )
 
 

Overviews

overview

Spatial extent

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Keywords

Chalk Group Danish Basin Dataset Denmark Geology Top Chalk
Forskningsemner
Geoscience and history policy Stratigraphy and correlation Tectonics and structural geology

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Associated resources

Not available