Image
Potash Crystals (Image: BHP Group)

Potash Mining

Solutions Mining Basics

The Michigan Potash solution-mining process would:

  • Pull fresh, potable water from the ground...  Potash crystals
    • ...pump it into underground salt-formations to form cavities...
    • ...to dissolve & flush various salts and other substances to the surface.
  • Use high-pressure pipelines to transport these concentrated brines to a refinery...
    • ...for isolating potassium-chloride ( a variety of “potash” used to fertilize certain crops not harmed by chloride build-up in the soil)...
    • ...and sodium-chloride (used mainly for water-softening, ice-control, and as “table-salt”).
  • Combine re-condensed steam and large volumes of new, potable well-water with the remaining material and inject it once again into the mining cavity.
  • To control the buildup of undesirable substances, 10-19% of these fluids will be continuously disposed of through waste-wells and replaced with fresh well-water.
Image

Several stages of this operation threaten water resources, both above & below-ground:

  • WATER WITHDRAWAL
    • BRINE HANDLING & TRANSPORT
      • WASTE INJECTION
Image

With Michigan Potash Company, we believe that these risks will be greatly multiplied due to a combination of:

  • Inexperience
  • Poor site selection
  • Lack of knowledge re. site hydrogeology
  • Financial stress ( see “Economics” section )
Image