April 10 (Reuters) - Trilogy Metals Inc TMQ.TO -
* Has signed an agreement with South32 Limited
* Trilogy has granted South32 an option to form a 50/50 joint venture with respect to Trilogy's Alaskan assets
* South32 must contribute a minimum of $10 million each year, for a maximum of 3 years, to keep option in good standing
* To subscribe for 50% of JV, South32 will contribute a minimum of $150 million Source text for Eikon: ID:nPn7hcYKHa Further company coverage: TMQ.TO