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      - cristobalite (1)
      - jasper (1)
      - moganite (1)
      - quartz (4)
      - stishovite (1)
  - orthosilicates
    - nesosilicates
      - olivine group
        
        fayalite (1)
      - titanite group
        
        titanite (1)
      - zircon group
        
        zircon (26)
    - sorosilicates
      - melilite group
        
        melilite (1)
  - sheet silicates
    - chlorite group
      - chlorite (2)
    - clay minerals
      - halloysite (1)
      - kaolinite (3)
      - smectite (2)
    - illite (3)
    - mica group
      - biotite (3)
      - muscovite (3)
- sulfates
  - alunite (1)
  - gypsum (1)
  - jarosite (1)
- sulfides
  - arsenopyrite (1)
  - galena (1)
  - molybdenite (2)
  - pyrite (3)
  - sphalerite (1)
- sulfosalts (2)
- tellurides (1)
Primary terms
- absolute age (53)
- Africa
  - East Africa
    - Afar Depression (1)
    - Mozambique (1)
    - Somali Republic (1)
  - East African Rift (1)
  - Limpopo Basin (1)
  - Madagascar (2)
  - Nile Valley (1)
  - North Africa
    - Egypt (2)
    - Tunisia (1)
  - Nubian Shield (1)
  - Southern Africa
    - Kaapvaal Craton (2)
    - Karoo Basin (1)
    - South Africa
      - Bushveld Complex (1)
      - Cape fold belt (1)
      - Gauteng South Africa
        
        Johannesburg South Africa (1)
      - Mpumalanga South Africa (1)
      - Witwatersrand (3)
    - Zimbabwe (1)
- Antarctica
  - Antarctic Peninsula
    - Graham Land (3)