Sept 15 (Reuters) - Silver Standard Resources Inc SSO.TO :
* Ongoing exploration expenditures for Marigold Mine forecast to remain in line with recent spending at $2 million - $4 million per year
* Marigold Mine expected to average 220,000 ounces/year producing between 200,000-240,000 ounces each year for period 2017 - 2021 Source text for Eikon: ID:nCNWgkkDWa Further company coverage: SSO.TO