Feb 6 (Reuters) - Dempsey Minerals Ltd DMI.AX :
* DEMPSEY SIGNS OPTION TO ACQUIRE ARGENTINIAN LITHIUM PROJECTS
* SIGNED OPTION AGREEMENT WITH BLUE SKY LITHIUM PTY TO ACQUIRE 100% OF BLUE SKY'S INTERESTS IN MINING TENEMENTS IN ARGENTINA
* DEMPSEY WILL COMPLETE CAPITAL RAISING OF AT LEAST $1.4 MILLION BY ISSUE OF 17.3 MILLION SHARES AT $0.08 PER SHARE,