The Kangaroos will face England in the final on Saturday night.
Brett Morris added his pair of tries to the total, Lockyer setting up both efforts, the first with a long pass and the second with a well-placed kick.
Gidley improved Morris’ second before Thurston added his first goal by converting Jennings’ hat-trick score.
France – 4
T: Elima (61)
Australia – 42
T: Jennings (22, 27, 56); Lewis (41); B. Morris (45, 50); J. Morris (67, 72)
G: Gidley (41, 50); Thurston (56, 67, 72)
Ref: Leon Williamson
Halifax coach Richard Marshall has ticked all the boxes so far in his plan to take the club forward, and is confident that Fax can become full-time soon.
As soon as Sam Burgess washed his hands of rugby union, South Sydney officials fell over themselves getting to the phone and the salary cap ready reckoner. It was, so the story goes, too good to be true.
Leigh boss Derek Beaumont says he will take the season opening loss to Batley on the chin and believes Neil Jukes is still the right man to lead the Centurions.
Wakefield Wildcats have been fined £20,000 for racial chanting by their fans in the Middle 8s last year.