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Small Lava Caves as Possible Exploratory Targets on Mars: Analogies Drawn from UAV Imaging of an Icelandic Lava Field

Lydia Sam, Anshuman Bhardwaj, Shaktiman Singh, F. Javier Martin-Torres, Maria-Paz Zorzano, Juan Antonio Ramírez Luque
2020 Remote Sensing  
The results display the usefulness of UAV imaging for such analogous research, and also highlight the possibility of the widespread presence of similar small cave openings in Martian lava fields.  ...  Although several possible cave "skylights" of tens to >100 m diameter have been spotted in lava fields of Mars, there is a possibility of prevalence of meter-scale features which are an order of magnitude  ...  We thank NASA, JPL, and the University of Arizona for providing HiRISE images free of charge. The maps in various figures have been created using ArcGIS version 10.6.1.  ... 
doi:10.3390/rs12121970 fatcat:ns4aotqjvjfide5zwvr2pllkpi