Geological Chronicle
Rimae de Gasparis is a lunar graben structure spanning 46.65 kilometers in length across the lunar basalt crust. Formed by structural faulting and crustal extension, the trench cuts through terrain within the Byrgius quadrangle (LAC-92).
Officially cataloged by the International Astronomical Union at selenographic coordinates -24.9874° latitude and -50.3034° longitude, the rille designation notes: Named from nearby crater.