A gradational density model for gravity anomalies over oceanic ridges

Garde, Subhash C.

doi:10.1016/0031-9201(74)90108-3

Cited by 2 publications

(3 citation statements)

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“…the width of the zone of density gradient K and the depth to the bottom al evaluated from the figures 11 and 12b and tabulated below (table 2). The above parametric values, evalnated by the present technique, fairly agree with the values of Garde (1974). This shows that this method is relatively much simpler, as it has sound mathematics, than the Gendzwill (1970) technique which is based on type curves method.…”

Section: Irield Exarnplesupporting

confidence: 82%

“…The isogal map prepared by Bott (1971) using the potential coefficients upto harmonics of degree and order eight, is considered to be a reliable basis for the application of the variable-density model over most of the oceanic ridges (figure 2 of Garde 1974). In this section the plot of the percentage gravity effect versus distance along the profile EE', ninety east (Latitude 5~ and 5~ and longitude 80~ 120~ is considered to test the applicability of the above method to evaluate the parameters of the causative body.…”

Section: Irield Exarnplementioning

confidence: 99%

“…Gendzwill (1970) presented a series of type curves and interpretation nomograms which show the characteristics of the gradational model. Subsequently Garde (1974) applied this analysis for oceanic ridges.…”

Section: Introductionmentioning

confidence: 99%

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Spectral interpretation of gravity anomalies due to horizontal slab like bodies with lateral variation of density

Mohan

Rao

1982

J Earth Syst Sci

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Fourier spectrum of the gravity effect due to a horizontal slab with lateral variation of density is derived. By analysing this spectrum a procedure is formulated to determine the parameters of the causative body viz. depths to the upper and lower surfaces, width of the horizorttal portion having the lateral density variation and the lateral density gradient. Two synthetic models and a field example are discussed to establish the validity of the procedure formulated. This is much simpler than GendzwiU's type curves method. Keywer&. Fourier spectrum; lateral variation of density; gravity anomalies; horizontal slab.

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Section: Irield Exarnplesupporting

confidence: 82%

Section: Irield Exarnplementioning

confidence: 99%