The only cloud over the third-straight dominant win for Sophie Molineux's side at Southampton on Saturday, a 98-run trouncing of the Netherlands, was the setback for all-time top scorer Mooney, who retired with a stiff back while in full flow on 74no and then decided not to keep during the Dutch reply.
The 32-year-old veteran opener/keeper said afterwards there was no concern. "I'm all good, just precautionary," shrugged the left-hander. "Probably just not used to all the bus travel we've been doing."
But with her understudy keeper Phoebe Litchfield also out of action with a quad injury, the setback for Mooney highlighted a potential weakness for the tournament favourites with 22-year-old Voll, who's had no experience of keeping in the senior game, being forced to take the gloves.
Voll did a fine job, though, beaming with joy after she took a nifty catch in just the second over off Kim Garth to dismiss Netherlands opener Phebe Molkenboer.
Her display left teammate Ash Gardner impressed. "Having Moons go down is super unfortunate because she's such a world-class keeper," admitted the allrounder, who'd shared a century partnership with Mooney as Australia piled up 6-219 having been put in by the Dutch.
"But, having to turn to someone who's not really kept probably ever, but did a tidy enough job, it does show that depth within our side.
"It's certainly not something that we had planned for, but when these things pop up, people are really willing to just take whatever's needed and go with the role they're asked to do.
"So for Georgia today, it was to wicket-keep. Hopefully, going forward, that's not called upon again."
It's possible Voll may be needed again behind the stumps, though. NSW's Tahlia Wilson is the specialist keeper travelling with the group as a reserve, but she can only play if one of the 15-strong squad is ruled out of the tournament.
Mooney, doubtless, didn't savour another four-hour road slog from Southampton, on England's south coast, to Headingley, where they'll play their next match against Pakistan on Tuesday (Wednesday AEST).
But at least Australia appear to be in a position where they can afford to give Voll more experience in the position as they top their group and are already almost guaranteed a semi-final spot as they seek to regain the trophy they've held six times previously,
Pakistan won't be the happiest bunch either after being dumped out of the tournament later on Saturday in Southampton, beaten for a third time in a row, this time a 23-run reverse against Bangladesh.
