September 4, 2017

Pre-Feasibility Study

Pre-Feasibility Study Summary

Note:  You may read the full study results here.

Pre-Feasability Study, Karlsson Group, Potash Investment, Arizona, United States

The Arizona Potash Project Pre-Feasibility Study (PFS) was completed by a team of world-class engineering and specialized consulting firms:

  • Tetra Tech, Inc.
  • North Rim Exploration
  • John T. Boyd Company
  • Novopro Projects, Inc.
  • Brownstein Hyatt Farber Schreck, LLP
  • Saskatchewan Research Council (SRC)
  • Huffman Laboratories, Inc.
  • Advanced Terra Testing, Inc.
  • RESPEC
  • KPMG LLP

Highlights of Karlsson Group Arizona Potash Project:

  • 1.3 million tons per year over life of potash mine
  • Peak production of 1.55 million tons of potash
  • $825 million estimated capital cost
  • 2 ½ year construction schedule
  • Life of mine operating costs of $115 per ton
  • 33 million tons of total MOP production over initial 26 year mine life (40+ million tons and 30+ years of mine life with the addition of the 24 Arizona State sections to the potash mining lease)
  • Unit processes based on results of metallurgical testing performed at industry renowned Saskatchewan Research Council (SRC) facilities