** Black Dragon Gold plunges as much as 50% to A$0.0016; highest-ever intraday pct decline
** Stock hits lowest since Oct. 18; set to lose for the fourth straight session
** Gold explorer says its land re-zoning application for its Salave Gold Project in Spain was rejected
** About 8.1 mln shares traded vs 30-day avg of ~1.8 mln
** Stock down 35.3% YTD
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))