L06-page17 - Process by which effects of inclination and...

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17 Derivatives • Emphasizing shorter wavelength features. • First vertical derivative emphasizes near surface features. It can be measured with gradiometer, or derived from corrected data • Second vertical derivative emphasizes boundaries of target zones. Reduction to Pole
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Unformatted text preview: Process by which effects of inclination and declination are removed from the data. The data are mathematically transformed to measurements over the same geologic structure, but at the magnetic pole where the inducing field is vertical....
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