
            
            By: magic-gigapans
            
              Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 5 May 2020
            Last Updated: 3 Jun 2020
          
              743 megapixels
            31,516 x 23,584 pixels
            105.1 in X 78.6 in at 300dpi
            
              388 pixels per inch
          
Exposure of clast-rich Sykesville Formation metasedimentary rock in the westernmost point of Washington, DC, on the banks of the Potomac River, upstream from Chain Bridge and downstream of Little Falls Dam and Dalecarlia Spillway. Main joint face imaged here strikes 051° and dips at 47° to the southeast.