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greisen

/ˈɡraɪ.zən/

Tradução: Rocha granítica composta principalmente de quartzo e mica, frequentemente formada pela alteração do granito por fluidos hidrotermais de alta temperatura.

1 verbete

noun

/ˈɡraɪ.zən/formaltechnical
  • ptRocha granítica composta principalmente de quartzo e mica, frequentemente formada pela alteração do granito por fluidos hidrotermais de alta temperatura.

A granitic rock composed primarily of quartz and mica, often formed by the alteration of granite through the action of high-temperature fluids.

  1. Granitic rockC2formalscientific

    A metamorphic rock derived from granite, composed primarily of quartz and mica, often formed by the alteration of granite by high-temperature fluids.

    ptGreisen

    • The geologist identified the sample as greisen due to its high quartz and mica content.
    • Greisen deposits are often associated with tin and tungsten mineralization.
    • The outcrop showed a distinct transition from granite to greisen.