Geological Chronicle
Rimae Chacornac is a lunar graben structure spanning 100 kilometers in length across the lunar basalt crust. Formed by structural faulting and crustal extension, the trench cuts through terrain within the Macrobius quadrangle (LAC-43).
Officially cataloged by the International Astronomical Union at selenographic coordinates 29.0099° latitude and 31.2417° longitude, the rille designation notes: Named from nearby crater.