North Wales Police have now confirmed that the burnt out car in Pinfold Lane, Alltami, near Mold does belong to missing Catherine Gowing.
Police were notified that there was a burnt out car near the disused quarry, by a member of the public, after issuing several appeals for help in tracing the plum/burgundy Renault Clio.
In a recent press conference, North Wales Police say they are focusing all their efforts on trying to find missing Catherine Gowing who has not been seen since Friday evening.
A comprehensive search and forensic examination will continue to take place on the car and in and around the disused quarry and police say it is likely to take them some time.
North Wales Police have confirmed the investigations which involves specialist search dogs and underwater search teams are also being supported by specialists from across the UK.
A 46-year-old man from Gwynedd, believed to be known to Catherine, remains in police custody after being arrested on suspicion of her murder on Tuesday night.