2009
DOI: 10.1590/s0102-261x2009000200015
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Desenvolvimento de metodologia para aplicar técnicas do paleomagnetismo em anomalias magnetométricas em crosta continental: aplicação a anomalias brasileiras

Abstract: RESUMO.O presente trabalho apresenta uma nova metodologia multidisciplinar queé capaz de estimar a idade de uma rocha-fonte a partir de sua anomalia magnética apenas, usando dados magnetométricos aéreos ou terrestres. Parte-se de anomalias magnéticas preferencialmente isoladas, e cuja componente remanescente seja provável em função do formato da anomalia. A partir dela calculamos a direção total da magnetização e estudamos as possíveis razões entre as componentes induzidas e remanescentes. Posteriormente, dete… Show more

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“…This intensity can vary according to the magnetization of rocks in the Earth's crust that generates a certain disagreement between the actual value of intensity and the theoretical value. This difference is called Magnetic Anomaly, it is the difference of the real and expected magnitude for a given location [9].…”
Section: Magnetic Anomaliesmentioning
confidence: 99%
“…This intensity can vary according to the magnetization of rocks in the Earth's crust that generates a certain disagreement between the actual value of intensity and the theoretical value. This difference is called Magnetic Anomaly, it is the difference of the real and expected magnitude for a given location [9].…”
Section: Magnetic Anomaliesmentioning
confidence: 99%