Calculation of gravity and magnetic anomalies of finite-length right polygonal prisms
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- J. W. Cady
- U. S. Geol. Surv., Denver, Colo., United States
書誌事項
- 公開日
- 1980-10-01
- DOI
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- 10.1190/1.1441045
- 公開者
- Society of Exploration Geophysicists
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説明
<jats:title>Abstract</jats:title> <jats:p>An equation is derived for the vertical gravity field due to a homogenous body with polygonal cross-section and finite strike-length. The equation can be separated into the two-dimensional (2-D) terms of Talwani et al (1959) and exact terms for the contributions of the ends of the prism. Equations for the magnetic field due to a similar body were derived by Shuey and Pasquale (1973), who coined the term 'two-and-a-half dimensional' (2 1/2-D) to describe the geometry. Magnetic intensities are expressed as a vector sum, from which the common dot product formulation can be obtained by binomial expansion.</jats:p>
収録刊行物
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- Geophysics
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Geophysics 45 (10), 1507-1512, 1980-10-01
Society of Exploration Geophysicists