Skip Ribbon Commands
Skip to main content
Navigate Up
Sign In
> Home > Services > Laboratories > Photogrammetry Laboratory > 3D-Photogeology and structural geology

3D-Photogeology and structural geology

The angular unconformity between Upper Permian carbonatic buildups and the Devonian Old Red Sandstones at Quensel Bjerg (top 800 m) in the northeastern part of Jameson Land (East Greenland).​
Photo interpretation of geological structures in a stereo 3D environment is a powerful tool in understanding geodynamic processes.
3D Photogeology
The method developed at the GEUS Photogrammetry Laboratory is a 3D mapping tool to collect geological data using oblique and aerial photos with a highly defined 3D overview of the outcrop in a real coordinate system.

The 3D mapping tool is based on:

  • Oblique photos collected from a helicopter;
  • Triangulation using aerial photos and a 3D stereo-plotter;
and can be used for:
  • Extraction of strike/dip directions of geological features
  • ArcGIS database for 3D-polylines
  • Suitable for 3D-modelling in other platforms
  • Automatic geological cross-section in ArcGIS

Structural Geology
The main goal of Structural Geology is to define the deformation history of rocks by analyzing present-day rock geometries to understand palaeostress fields. The dynamics of stress fields are important in understanding regional geologic events, such as mountain building or rifting due to plate tectonic movements. Structural Geology is relevant for Economic Geology including Petroleum Geology and Ore Geology since:

  • Folded and faulted rocks form traps that allow for accumulation of fluids such as petroleum and natural gas;
  • Faulted areas are permeable zones for hydrothermal fluids and the potential concentration areas for base- and precious metal ore deposits;
  • Structurally fractured and faulted zones, often in association with intrusive igneous rocks, may contain veins of minerals with various metals.   
Contact
Piepaolo Guarnieri
Senior Research Scientist
Pierpaolo Guarnieri
E-mail: pgua@geus.dk
Telephone: +45 9133 3878   

 







 

 Photogeology

 
Oblique photo and 3D features
Oblique photo and 3D
features.

Cross-cutting dykes
Cross-cutting dykes.

3D vision of geologic data
3D vision of geologic data.

Brittle shear zone
Brittle shear zone.
3D-Photogeology and structural geology