The final diameter ranges from about 8 cm to over 20 cm.
2.
The finishing mill consists of six stands that reduce the rod to the final diameter of 1.43 " for Savannah River rods.
3.
The impact initially caused the formation of a transient crater with the diameter of about 150 km and depth of about 50 km, which then relaxed forming the present crater with the final diameter of about 300 km.