Rocas metamórficas
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Rocas metamórficas

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Rocas metamórficas Rocas metamórficas Presentation Transcript

  • Las rocas son sometidas a gran presión y temperatura Foliadas No foliadas Metamorfismo Rocas metamórficas
  • Foliadas (laminadas) pizarra • negra o muy oscura, ligeramente brillante • dura, puede separarse en capas schist gneis • brillante •capas plegadas • bandas plegadas e irregulares •Cristales de feldespato No foliadas (cristalinas) mármol • muchos colores diferentes • reacciona con los ácidos produciendo CO2 cuarcita • varios colores, muy dura • no reacciona con ácidos