Identifying wrinkle ridges structures from Mars MOLA and Viking mission data: using GRASS in planetary geology

The numerous missions to Mars have sent information about the red planet during last decades. Recently it has been shown that Mars has ice on its poles and that ice could be probably present all over the planet subsurface. The presence of ice on subsurface could drive particular geological structures. The so called ’wrinkle ridges’ structures could be related to this. Grass GIS has been used to import and store in a common geospatial database Viking image data and the latest Mars Global Surveyor (MGS) data. GRASS raster based analysis at different resolution has been used to identify wrinkle structures. The image modules are used to align Viking data with Mars Orbiter Laser Altimeter (MOLA) DEM.