Removing culture from Southern Texas — a magnetic clean‐up and imaging revolution

Pearson, William C.

doi:10.1190/1.1826375

Cited by 2 publications

(3 citation statements)

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“…For special cases where the source structure can be modeled, such as for well casings (Frischknecht et al, 1983;Boardman, 1985), it is possible to design effective automatic removal techniques (Dickinson, 1986;Pearson, 1996). However, all of these methods depend on recognition of a known anomaly signature.…”

Section: Deculturingmentioning

confidence: 99%

“…Thus, Cordell andGrauch (1982, 1985) used crests of the magnitude of the horizontal gradient of the pseudogravity field as an approximate tool for locating the edges of magnetic bodies. A method by Pearson (2001) finds breaks in the direction of the horizontal gradient by application of a moving-window artificial-intelligence operator. This results in improved edge resolution, but some caution is required to avoid misinterpreting low-amplitude gradients attributable to side lobes (Phillips, 2000;Grauch et al, 2001).…”

Section: Derivative-based Filtersmentioning

confidence: 99%

“…The volume, The Utility of Regional Gravity and Magnetic Maps, edited by Hinze (1985b), was one of the first SEG publications to rely extensively on color contour maps. Pearson (2001) developed a way to use color to display 24 different sun angles at once. By the mid-1990s, the color shaded-relief display was in common use.…”

Section: Data Integration / Presentationmentioning

confidence: 99%

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9. Magnetic Exploration Methods

Nabighian¹,

Grauch²,

Hansen³

et al. 2010

Geophysics Today

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The magnetic method, perhaps the oldest of geophysical exploration techniques, blossomed after the advent of airborne surveys in World War II. With improvements in instrumentation, navigation, and platform compensation, it is now possible to map the entire crustal section at a variety of scales, from strongly magnetic basement at regional scale to weakly magnetic sedimentary contacts at local scale. Methods of data filtering, display, and interpretation have also advanced, especially with the availability of low-cost, high-performance personal computers and color raster graphics. The magnetic method is the primary explo-ration tool in the search for minerals. In other arenas, the magnetic method has evolved from its sole use for mapping basement structure to include a wide range of new applications, such as locating intrasedimentary faults, defining subtle lithologic contacts, mapping salt domes in weakly magnetic sediments, and better defining targets through 3D inversion. These new applications have increased the method's utility in all realms of exploration -in the search for minerals, oil and gas, geothermal resources, and groundwater, and for a variety of other purposes such as natural hazards assessment, mapping impact structures, and engineering and environmental studies.

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Section: Deculturingmentioning

confidence: 99%

Section: Derivative-based Filtersmentioning

confidence: 99%

Section: Data Integration / Presentationmentioning

confidence: 99%

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9. Magnetic Exploration Methods

Nabighian¹,

Grauch²,

Hansen³

et al. 2010

Geophysics Today

View full text Add to dashboard Cite

show abstract

The historical development of the magnetic method in exploration

et al. 2005

View full text Add to dashboard Cite

The magnetic method, perhaps the oldest of geophysical exploration techniques, blossomed after the advent of airborne surveys in World War II. With improvements in instrumentation, navigation, and platform compensation, it is now possible to map the entire crustal section at a variety of scales, from strongly magnetic basement at regional scale to weakly magnetic sedimentary contacts at local scale. Methods of data filtering, display, and interpretation have also advanced, especially with the availability of low-cost, high-performance personal computers and color raster graphics. The magnetic method is the primary exploration tool in the search for minerals. In other arenas, the magnetic method has evolved from its sole use for mapping basement structure to include a wide range of new applications, such as locating intrasedimentary faults, defining subtle lithologic contacts, mapping salt domes in weakly magnetic sediments, and better defining targets through 3D inversion. These new applications have increased the method's utility in all realms of exploration — in the search for minerals, oil and gas, geothermal resources, and groundwater, and for a variety of other purposes such as natural hazards assessment, mapping impact structures, and engineering and environmental studies.

show abstract

Removing culture from Southern Texas — a magnetic clean‐up and imaging revolution

Cited by 2 publications

References 1 publication

9. Magnetic Exploration Methods

9. Magnetic Exploration Methods

The historical development of the magnetic method in exploration

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