Feb 27 (Reuters) - Mirasol Resources Ltd MRZ.V :
* MIRASOL SIGNS LETTER OF INTENT TO OPTION ITS VIRGINIA SILVER PROJECT IN ARGENTINA
* MIRASOL RESOURCES LTD - SIGNING OF LETTER OF INTENT WITH GOLDEN OPPORTUNITY RESOURCES CORP
* MIRASOL RESOURCES - UPON COMPLETION OF OPTION, GOLDEN OPPORTUNITY WILL HAVE EARNED 100% INTEREST IN PROJECT AND MIRASOL WILL RETAIN A 3% NSR ROYALTY