Download - Eras geográficas
Transcript
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Historia Natural(Eras Geológicas)
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Eón Hadeico (4.500 – 3.900 m.a)
Zircón (Roca Hádica) Corteza terrestre
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Teoría de los Coacervados
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Eón Arqueozoico(3.900 – 2.500 m.a )
EstromatolitosAlgas cianofitas
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Eón Proterozoico (2.500 – 542 m.a)
Gran cantidad de Oxigeno
Primeras Glaciaciones Primeros Eucariotas
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Fauna de Ediácara
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Eón FanerozoicoEra Paleozoica
(550 – 245 m.a.)Período Cámbrico
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Período Ordovícico
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Período Silúrico
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Período Devónico
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Período Carbonífero
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Período Pérmico
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