The Industrial Mining Zone (IMZ) as designated on the Mariposa County Zoning Map, is applied to land areas where mining operations have been developed on a large scale. This classification is also applied to land having significant mineral resources.

1. Development standards for the IMZ. Development standards for the IMZ shall be as follows:
   1. Uses:
      1. Permitted uses: Residential; and those applicable uses listed under Chapter 17.108 of this title.
      2. Administrative use permit uses: Small scale mining in compliance with applicable standards and regulations pursuant to section 17.108.110.
      3. Conditional uses: Employee housing; and mining, which may include mineral or construction material processing, in conformance with the state surface mining and reclamation act and county code.
      4. Prohibited uses: All uses listed in section 17.108.200 of this title and other uses not listed above are prohibited.
   2. Minimum parcel or lot size: No parcel of real property in the IMZ shall be divided or split into two (2) or more parcels by court action or other conveyance where any one (1) of the parcels so created will be less than twenty (20) acres or a legal one-half of a quarter-quarter section in gross area.
   3. Density: One (1) single family residence per twenty (20) acres or a legal one half (1/2) quarter-quarter section.