Geological Chronicle
Rimae Atlas is a lunar graben structure spanning 46.8 kilometers in length across the lunar basalt crust. Formed by structural faulting and crustal extension, the trench cuts through terrain within the Geminus quadrangle (LAC-27).
Officially cataloged by the International Astronomical Union at selenographic coordinates 46.819° latitude and 44.4177° longitude, the rille designation notes: Within crater.