** Shares of Antilles Gold AAU.AX fall 36.4% to A$0.007, their lowest level since mid-September

** Says co and units to comply with U.S. Department of the Treasury’s Office of Foreign Assets Control sanctions on Cuban JV

** Unit suspends direct participation in JV but retains 50% shareholding; initiates discussions with the U.S. Department of State

** About 39.5 mln shares traded so far, nearly 10x the 30-day average

** Stock down 30% YTD, including moves in current session