Download - Apresentação as rochas
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Escola EB1 Victor Palla - Lisboa
30 de Abril de 2012
Professora convidada: Maria Carolina Farias
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As rochas
Sua origem e classificação
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O Universo
Nebulosa OrionGaláxia
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Sistema solar
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Terra e Lua
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A idade da Terra
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Estrutura interna da Terra
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Definição de rocha e de mineral
• Rocha – grandes massas de minerais da crusta terrestre que apresentam características sensivelmente constantes.
Podem ser constituídas por vários minerais ou por um só mineral.
• Mineral – é um elemento ou combinação química formado mediante um processo inorgânico natural.
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A utilidade das rochas
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Tipos de rochas
• Rochas magmáticas
• Rochas sedimentares
• Rochas metamórficas
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Rochas magmáticas
Rocha vulcânica
Rocha plutónica ( com cristais)
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Rochas sedimentares
Calcário conquífero
Dissolução do calcário
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Fosseis e sua idade de formação
Cracas fósseis
Fóssil de natica
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Exemplo de rochas sedimentares em Carcavelos
Calcário com conchas de animais vivos
cracas
lapas
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Exemplos de outras rochas sedimentares
Areia
Arenito
Rocha argilosa Argila - (Barro)
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Rochas metamórficas
Mármore
Gneisse
Xisto
Talco xisto
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Metamorfismo de contacto (ex: Sintra)
Calcário Marmore
Argila Xisto
Silex Quartzito
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Eras e Períodos geológicos
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Carta geológica Cascais - Sintra
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Investigadores da escola EB1-Victor Pallaem Carcavelos
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