POLICE have ended the Carole Park excavation search for missing woman Sharron Phillips after finding no new evidence to help solve the mystery of her disappearance.
Investigators spent weeks sifting through 100 cubic metres of soil from two drains under Cobalt St at Carole Park after receiving a tip-off from a member of the public.
In a disappointing result for the Phillips family, the search concluded on Saturday with police announcing that no evidence of human remains was found at the site.
Ms Phillips disappeared on May 8, 1986 after her car ran out of petrol at about 11pm on Ipswich Rd near Wacol.
She had called her boyfriend from a service station and asked him to pick her up but when he arrived, she was gone.
Ms Phillips has not been seen or heard from since and no one has been charged over her suspected murder.
Police have notified Ms Phillips' family of the result and said, despite finding nothing in the Carole Park search, they remained committed to solving the case.
A $250,000 reward remains on offer for anyone who can provide police with information that leads to an arrest and conviction.
Police said they remained committed to the investigation and continued to urged anyone with information to contact Crime Stoppers on 1800 333 000.
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