• Shares of Australian miners fall as much as 4.6%, their lowest level since March 25

• Sub-index posts its biggest intraday pct fall since September 11; down 8.4% in the week so far

• Copper prices fell to their lowest in more than five weeks on Thursday as further inflows into London Metal Exchange warehouses eased some supply fears [MET/L]

• Shares of mining behemoths BHP , Rio Tinto , and Fortescue down between 1.6% and 3.9%

• Sub-index down 0.6% YTD, including session's moves

(Reporting by Roshan Thomas in Bengaluru)