The Corporate Actions note by Hallgarten+Co on Rio Colorado Potash, better known as Potassio Rio Colorado (PRC) in Argentina's Mendoza province, shows how the potash mine and infrastructure would propel Argentina into the top five potash producers globally.
The potash deposits in Argentina have long been known and were drilled. A pilot test was conducted in the early 1990s. Rio Tinto acquired the property in 2004.
If Argentina was in the game of declaring projects to be of “national importance” then the PRC potash project in Mendoza would be a prime candidate. The project could convert Argentina into one of the world's top five potash producers globally, replace imports of fertilizers and become a source of export income. It would also bring development (and a railway) to one of the more isolated parts of the country. We would not expect it to have any problems in gaining a RIGI status to fire up its financing.
In this review of PRC, we look at the long history of the potash project, including its travails with mining majors Rio Tinto, Vale and others. We also look at current ownership and potential for new ownership. In addition, there's a load of information about the fertilizer market in Argentina and the progress of another potash project, El Ceibo of Argentina Potash.
Find the full report on Argentina and the Rio Colorado Potash project in this PDF file: https://hallgartenco.com/wp-content/uploads/2026/06/Rio_Colorado_Potash.pdf
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