Welcome to the Grosso Group

The Grosso Group is a private management company founded in 1993, recognized as a leading pioneer of mineral exploration in South America. The group operates with the objective of creating investor value through the growth of the publicly listed member companies
- the discovery of three multi-million ounce precious metal deposits
- partnerships with industry majors such as Barrick Gold, Viceroy/Yamana, Teck Cominco, Rio Tinto and Areva
- Company Founder Joseph Grosso named Argentina's Mining Man of the Year 2005
1993 | Mining Pioneer: Mr. Joseph Grosso recognized the opportunity in Argentina for mineral resources and world-class discoveries and became a “mining pioneer” reopening mining activity ahead of major mining companies |
1998 | Discovery – Gualcamayo Gold Deposit: Mr. Grosso’s first discovery in the Argentina put into production by Yamana Gold in 2009 |
1998 | Dividend Shares of Viceroy Resources: Paid to shareholders IMA, a member company of the Grosso Group, tax free |
2002 | Discovery - Navidad Pure Silver Deposit: Currently has more than 1.2B oz. of silver, measured and indicated, and potential for more, now owned by Pan American Silver |
2003 | Dividend Shares: Of Golden Arrow Resources to shareholders of IMA (a Grosso Group member company), tax and cost free, creating a new important mining company member of the Grosso Group |
2004 | Award to Mr. Joseph Grosso: Named “Argentina’s Mining Man of the Year” by leading South American mining publications |
2004 | New Energy Company - Blue Sky Uranium Corp.: A new member company of the Grosso Group focused on renewable energy / uranium |
2007 | Uranium Expert: Dr. Jorge Berizzo, an expert Argentine uranium geologist who discovered the “Cerro Solo” uranium deposit in the province of Chubut, Argentina, joins Blue Sky Uranium |
2007 | Discovery - Blue Sky Uranium Corp.: The first uranium discovery in the province of Río Negro, Argentina with the assistance of Dr. Berizzo |
2009 | Royalty Revenues: on the Gualcamayo Gold Mine discovery |
2012 | Discovery – Chinchillas Deposit: Golden Arrow Resources announces multiple bonanza silver intercepts on its Chinchillas silver/lead/zinc deposit in the province of Jujuy, Argentina |
2012 | Sale of the Gualcamayo Gold Mine Royalty: Golden Arrow Resources sells its Gualcamayo royalty for $17.5M, recovering $24M in development expenses on the Navidad silver discovery for a total of $41M, maintaining control and avoiding the issue of millions of dilutive shares from treasury allowing Golden Arrow Resources to continue exploration |
2013 | Award to Grosso Group: Mr. Joseph Grosso receives award for the Grosso Group’s 23 year history of mining activity in Argentina from leading South American mining publications |
2015 | Award to Golden Arrow Resources Corporation: Named “Exploration Company of the Year” in Argentina by leading South American mining publications |
2016 | Golden Arrow Resources Corporation’s Chinchillas Silver Deposit: Advances to prefeasibility and mine exploitation permitting |
2017 | Producer Status for Golden Arrow Resources Corporation: Producer status achieved by forming a JV with SSR Mining Inc. on Golden Arrow’s Chinchillas discovery creating Puna Operations Inc. to put the Chinchillas Deposit into production |
2018 | Blue Sky Uranium Corp.: Initial Mineral Resource Estimate: Announcement of initial mineral resource estimate for the Ivana Deposit / Amarillo Grande Uranium / Vanadium Deposit |
2018 | Golden Arrow Resources Corporation - Start of Production: The Chinchillas Mine starts production on December 3, 2018 |
2019 | Blue Sky Uranium Corp.: Announces Preliminary Economic Assessment: on the Ivana Uranium / Vanadium Deposit and Amarillo Grande Deposit |
2019 | Golden Arrow Resources Corporation – Sells its 25% Interest in Puna Operations/Chinchillas Mine |
2019 | Golden Arrow Resources Corporation – Expands into Chile and Paraguay |
Our Companies



Contact the Grosso Group
Terminal City Club Tower Suite 411 – 837 W Hastings St. Vancouver, BC V6C 3N6
Sobremonte 579 Ciudad de Mendoza, C.P. 5500 Argentina
Tel 604 687 1828 Toll-Free 800 901 0058 Fax 604 687 1858 Email info@grossogroup.com
Tel + 54 261 425 9567