Nov 8 (Reuters) - Superior Gold Inc SGI.V :
* COMMENCES LITIGATION AGAINST VANGO MINING LTD WITH RESPECT TO TENEMENTS NORTHEAST OF PLUTONIC GOLD MINE
* CLAIMS IT HELD RIGHTS OF FIRST REFUSAL FOR TENEMENTS WITHIN VANGO'S PLUTONIC DOME PROJECT IN WESTERN AUSTRALIA (TENEMENTS)
* CLAIMS ITS RIGHT OF FIRST REFUSAL WAS BREACHED BY CERTAIN OF VANGO'S INTENDED AND ACTUAL TRANSACTIONS IN 2016 AND 2017
* SAYS ITS UNIT BILLABONG GOLD IS SEEKING REMEDIES FROM SUPREME COURT OF WESTERN AUSTRALIA IN RESPECT TO ALLEGED BREACHES