Aussie shares post worst day in a month as oil soars

Australian shares have been buffeted as oil prices on renewed conflict in the Persian Gulf. (Lukas Coch/AAP PHOTOS)

Australia's share market has endured its worst session in five weeks as oil surges and optimism fades for a timely resolution to the renewed US-Iran conflict.

The S&P/ASX200 fell 66.7 points on Friday, down 0.75 per cent to 8,772.3, as the broader All Ordinaries lost 76.6 points, or 0.85 per cent, to 8,941.5.