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      - penninite (1)
    - clay minerals
      - dickite (1)
      - hectorite (1)
      - kaolinite (10)
      - montmorillonite (2)
      - nacrite (1)
      - nontronite (1)
      - smectite (9)
      - vermiculite (2)
    - illite (12)
    - mica group
      - biotite (2)
      - muscovite (1)
      - phengite (1)
      - phlogopite (2)
    - serpentine group
      - antigorite (2)
      - serpentine (1)
    - talc (1)
- sulfates
  - alunite (1)
  - anhydrite (1)
  - beudantite (1)
  - gypsum (2)
  - hinsdalite (1)
  - jarosite (2)
  - leadhillite (1)
  - polyhalite (1)
- sulfides
  - cobaltite (1)
  - galena (1)
  - gersdorffite (1)
  - greigite (1)
  - marcasite (1)
  - pyrite (8)
  - sphalerite (2)
  - ullmannite (1)
  - willyamite (1)
  - wurtzite (1)
- sulfosalts
  - sulfobismuthites
    - gustavite (1)
Primary terms
- absolute age (13)
- Africa
  - Afar (1)
  - Cape Verde Islands (1)
  - Central Africa
    - Angola (1)
    - Congo (1)
    - Congo Democratic Republic (1)
  - East Africa
    - Djibouti (1)
    - Ethiopia (2)
    - Ethiopian Rift (2)
    - Malawi (1)
  - East African Rift (3)
  - Limpopo Belt (1)
  - North Africa
    - Algeria (1)
    - Atlas Mountains
      - Moroccan Atlas Mountains
        
        High Atlas (1)
    - Egypt (1)
    - Illizi Basin (1)
    - Morocco
      - Moroccan Atlas Mountains
        
        High Atlas (1)
  - Southern Africa
    - Kalahari Craton (1)
    - Karoo Basin (4)
    - Namaqualand (1)
    - Namibia
      - Windhoek Namibia (1)
    - South Africa
      - Bushveld Complex (1)
      - Eastern Cape Province South Africa (1)
      - Mpumalanga South Africa (1)
      - Transvaal region (1)
      - Witwatersrand (2)
    - Zimbabwe
      - Great Dyke (1)
  - West Africa
    - Benue Valley (1)
    - Chad (1)
    - Ivory Coast (1)