geologia 11 rochas sedimentares biog©nicas

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  • Geologia 11

    Rochas Biognicas

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  • Carves e petrleo

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    http://upload.wikimedia.org/wikipedia/commons/a/ae/Cavalete.jpghttp://upload.wikimedia.org/wikipedia/commons/a/ae/Cavalete.jpg

  • Carves

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    A turfa um material de origem vegetal, parcialmente decomposto, encontrado em

    camadas, geralmente em regies pantanosas e tambm sobre montanhas (turfa

    de altitude). formada principalmente por Sphagnum (esfagno, grupo de musgos)

    e Hypnum, mas tambm de juncos, rvores, etc. Sob condies geolgicas

    adequadas, transformam-se em carvo, atravs de emanaes de metano vindo

    das profundezas e da preservao em ambiente anxico.

    http://upload.wikimedia.org/wikipedia/commons/f/f9/Peat-Stack_in_Ness,_Outer_Hebrides,_Scotland.jpghttp://upload.wikimedia.org/wikipedia/commons/f/f9/Peat-Stack_in_Ness,_Outer_Hebrides,_Scotland.jpghttp://upload.wikimedia.org/wikipedia/commons/f/f5/Peatcuttingulsta.jpghttp://upload.wikimedia.org/wikipedia/commons/f/f5/Peatcuttingulsta.jpg

  • Formao de combustveis fsseis

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  • Etapas na formao do carvo

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  • Incarbonizao

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    A incarbonizao ocorre ao

    abrigo do ar, nela

    intervindo bactrias

    anaerbias.

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  • Carbonizao

    Enriquecimento progressivo em carbono dos

    restos orgnicos, com perda relativa de oxignio

    e hidrognio, na grande maioria, a partir de

    carbo-hidratos prprios de tecidos vegetais, em

    especial, a lenhina e a celulose.Dicionrio de Geologia A.M. Galopim de Carvalho

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  • Produtos petrolferos

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    http://upload.wikimedia.org/wikipedia/commons/3/35/WarGulf_photobox.jpghttp://upload.wikimedia.org/wikipedia/commons/3/35/WarGulf_photobox.jpghttp://upload.wikimedia.org/wikipedia/commons/e/e3/Oil_Reserves.pnghttp://upload.wikimedia.org/wikipedia/commons/e/e3/Oil_Reserves.png

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    http://upload.wikimedia.org/wikipedia/commons/4/44/Global_Carbon_Emissions.svghttp://upload.wikimedia.org/wikipedia/commons/4/44/Global_Carbon_Emissions.svghttp://upload.wikimedia.org/wikipedia/commons/5/56/Petroleum.JPGhttp://upload.wikimedia.org/wikipedia/commons/5/56/Petroleum.JPG

  • Consumo

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    http://upload.wikimedia.org/wikipedia/commons/9/9a/OilConsumptionpercapita.pnghttp://upload.wikimedia.org/wikipedia/commons/9/9a/OilConsumptionpercapita.pnghttp://upload.wikimedia.org/wikipedia/en/f/f5/EIA_IEO2006.jpghttp://upload.wikimedia.org/wikipedia/en/f/f5/EIA_IEO2006.jpg

  • Geologia

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    http://upload.wikimedia.org/wikipedia/en/8/87/Mudlogging.JPGhttp://upload.wikimedia.org/wikipedia/en/8/87/Mudlogging.JPGhttp://upload.wikimedia.org/wikipedia/commons/b/ba/Gulf_Offshore_Platform.jpghttp://upload.wikimedia.org/wikipedia/commons/b/ba/Gulf_Offshore_Platform.jpg

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    http://upload.wikimedia.org/wikipedia/commons/7/75/SaltGlaciers_ZagrosMtns_20010810.jpghttp://upload.wikimedia.org/wikipedia/commons/7/75/SaltGlaciers_ZagrosMtns_20010810.jpghttp://upload.wikimedia.org/wikipedia/commons/b/b8/Salt_dome_hg.pnghttp://upload.wikimedia.org/wikipedia/commons/b/b8/Salt_dome_hg.png

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    //upload.wikimedia.org/wikipedia/commons/8/86/Cwall99_lg.jpg//upload.wikimedia.org/wikipedia/commons/8/86/Cwall99_lg.jpg//upload.wikimedia.org/wikipedia/commons/6/6e/Plankton_collage.jpg//upload.wikimedia.org/wikipedia/commons/6/6e/Plankton_collage.jpg

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    http://www.black-tides.com/uk/oil/what-is-oil/origin-oil-animation.php

    http://www.black-tides.com/uk/oil/what-is-oil/origin-oil-animation.php

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  • Calcrios biognicos

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    http://4.bp.blogspot.com/_FDJjcxz4zHM/Su7ej3SghoI/AAAAAAAAAfE/9iS8aK-15tM/s1600-h/Picture2.jpghttp://4.bp.blogspot.com/_FDJjcxz4zHM/Su7ej3SghoI/AAAAAAAAAfE/9iS8aK-15tM/s1600-h/Picture2.jpg

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    Resumo