Cartografia geológica e análise de fácies no norte da Namíbia

Cartografia geológica e análise de fácies no norte da Namíbia

Bolko Schweisfurth

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Geología y la litosfera
ISBN:
9786200828156
75,34 €
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Este trabalho está relacionado com a investigação do paradoxo climático neoproterozóico e com as várias teorias associadas a eventos glaciares nesse período. As teorias individuais são resumidas no capítulo 3.3. A partir da sequência, que ocorre pelo menos três vezes, de diamictitos marinhos provavelmente glaciares, sobrepostos por carbonatos típicos de águas quentes (NCP), o presente trabalho pretende examinar e avaliar mais detalhadamente uma sequência representativa do Marinoano no norte da Namíbia. Em particular, será investigada a plataforma carbonatada norte (NP) exposta na região montanhosa de Otavi, no intervalo estratigráfico do Grupo Otavi. Na área de trabalho, foram observadas fortes alterações laterais de fácies em distâncias espaciais curtas durante o período do NCP que ocorreu ali. O objetivo deste trabalho é determinar em que medida essas alterações estão relacionadas com a evolução climática, os processos de sedimentação, os processos tectónicos ou o desenvolvimento local da bacia. No presente texto, é analisada especificamente a sequência na camada inferior do glacial assumido.

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