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Derivation of Formulas and FORTRAN Programs to Compute Magnetic Anomalies of Prisms.

PB243525

Publication Date	1975
Personal Author	Plouff, D.
Page Count	122
Abstract	Complex geologic bodies can be modeled to meet any standard of esthetics or of accuracy in representation by using an assemblage of polygonal prisms. The basic prisms are easily displayed if the prisms have vertical sides and are bounded at the top and bottom by horizontal planes. The exact formula for the magnetic effect measured at all locations inside, on, or outside polygonal prisms previously has not been reported. The accompanying computer program permits the calculation of the magnetic anomaly for any combination of observation points located as random points, profiles, or two-dimensional grids.
Keywords	Magnetic anomalies Prisms Computer programs Computation FORTRAN
Source Agency	US Geological Survey Geologic Division
NTIS Subject Category	48F - Geology & Geophysics
Corporate Authors	Geological Survey, Menlo Park, Calif.
Document Type	Technical Report
Title Note	Final rept. 1973-74.
NTIS Issue Number	197520

Derivation of Formulas and FORTRAN Programs to Compute Magnetic Anomalies of Prisms.

Derivation of Formulas and FORTRAN Programs to Compute Magnetic Anomalies of Prisms.
PB243525

Publication Date	1975
Personal Author	Plouff, D.
Page Count	122
Abstract	Complex geologic bodies can be modeled to meet any standard of esthetics or of accuracy in representation by using an assemblage of polygonal prisms. The basic prisms are easily displayed if the prisms have vertical sides and are bounded at the top and bottom by horizontal planes. The exact formula for the magnetic effect measured at all locations inside, on, or outside polygonal prisms previously has not been reported. The accompanying computer program permits the calculation of the magnetic anomaly for any combination of observation points located as random points, profiles, or two-dimensional grids.
Keywords	Magnetic anomalies Prisms Computer programs Computation FORTRAN
Source Agency	US Geological Survey Geologic Division
NTIS Subject Category	48F - Geology & Geophysics
Corporate Authors	Geological Survey, Menlo Park, Calif.
Document Type	Technical Report
Title Note	Final rept. 1973-74.
NTIS Issue Number	197520