** Litchfield Minerals LMS.AX surges as much as 302.7% to record high of A$0.745

** Stocks marks record intra-day pct rise

** Base metals and uranium explorer finds copper-zinc mineralisation at its Oonagalabi Project in Northern Territory

** Stock sees busiest session ever, with ~14.4 mln shares traded - 56.8x the 30-day average

** YTD, LMS surges 530%

(Reporting by Ananya Verma in Bengaluru)

((ananya.verma@thomsonreuters.com;))