Download - aula sedmento
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MINERAIS PESADOS:MINERAIS PESADOS:MINERAIS PESADOS: MINERAIS PESADOS:
O QUE SÃO?O QUE SÃO?
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MINERAIS PESADOS:MINERAIS PESADOS:MINERAIS PESADOS: MINERAIS PESADOS:
COMO SEPARAR?COMO SEPARAR?
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MINERAIS PESADOS:
POR QUE SEPARAR?POR QUE SEPARAR?
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MINERAIS PESADOS:
POR QUE SEPARAR?POR QUE SEPARAR?
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CONCLUSÃO:
RAZÕES ACADÊMICAS PARA SEPARAR MINERAIS PESADOS
1 ESTUDOS DE PROVENIÊNCIA1. ESTUDOS DE PROVENIÊNCIA
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CONCLUSÃO:
RAZÕES ACADÊMICAS PARA SEPARAR MINERAIS PESADOSMINERAIS PESADOS
2. DELIMITAÇÃO DE UNIDADES DE DESCRIÇÃO DE DESCRIÇÃO
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MINERAIS PESADOS:MINERAIS PESADOS:MINERAIS PESADOS: MINERAIS PESADOS:
POR QUE SEPARAR?POR QUE SEPARAR?
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MINERAIS PESADOS: MINERAIS PESADOS:
COMO SEPARAR?
Líquido de <d – flutua...
Líquido de densidade d
>d - afunda
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Líquidos densos mais utilizados em análises sedimentológicas
LÍQUIDO COMPOSIÇÃO DENSIDADE MÁXIMA
SOLVENTE
Bromofórmio CHBr3 2,88 Benzol, xileno, 3 , , ,tetracloreto de
carbono, etilenobromida,
álcoolálcoolTetrabromoetano C2H2Br4 2,95 Benzol, xileno,
tetracloreto de carbono,
til b idetilenobromida Solução de
Thoulet KI + HgI2 (aq.) 3,19
Água
Iodeto de CH2I2 3,33 Benzol, xileno, metileno tetracloreto de
carbono Solução de
Clerici Malonato + formiato de
4,2
Águatálio (aq.)
Água
Politungstato de sódio
3Na2WO4 * 9WO3 * H2O (aq.)
3,5 Água
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??
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OCORRÊNCIA DE MINERAISOCORRÊNCIA DE MINERAIS PESADOS
FREQÜÊNCIA X QABUNDÂNCIA
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OCORRÊNCIA DE MINERAIS PESADOS
ESTABILIDADE
ULTRA
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MINERAIS PESADOS
E MATURIDADEE MATURIDADE SEDIMENTAR
O ÍNDICE ZTR(HUBERT 1952) ??
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0 6 k0 6 km
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