Original Research

The use of kriging in gravity-surveys

G. J. van Tonder, J. F. Botha, F. Wiegmans
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 4, No 1 | a1014 | DOI: https://doi.org/10.4102/satnt.v4i1.1014 | © 1985 G. J. van Tonder, J. F. Botha, F. Wiegmans | This work is licensed under CC Attribution 4.0
Submitted: 18 March 1985 | Published: 18 March 1985

About the author(s)

G. J. van Tonder,, South Africa
J. F. Botha,, South Africa
F. Wiegmans,, South Africa

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Abstract

The present investigation is mostly concerned with the contribution that kriging can make towards reducing the number of observed gravity measurements necessary for a reliable estimate of the volume weathered dolomite in the dolomitic areas of South Africa. After a brief introduction, the method is applied to the Bouguer anomaly values of a part of the Zuurbekom Compartment. It is shown that by using kriging, the number of measuring stations can be reduced by op to 90 percent without affecting the accuracy of the calculation of the estimated volume of the weathered dolomite adversely.

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