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The application of the directional derivative to the interpretation of gravity gradient zone anomaly
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|Authors:||Shao Xinglai; Zhou Yaoming|
|Author Affiliations:||Primary: |
National 305 Project Office of Xinjiang, Urumqi, China
|Volume Title:||Wutan yu Huatan Geophysical & Geochemical Exploration|
|Source:||Wutan yu Huatan = Geophysical & Geochemical Exploration, 37(6), p.1023-1026. Publisher: Geological Publishing House, Beijing, China. ISSN: 1000-8918|
|Note:||In Chinese with English summary. 14 refs.; illus., incl. 1 table|
|Summary:||"Step" is the main physical model for the interpretation of gravity gradient zone anomaly. The theoretical calculation has proved that the Bouguer gravity anomaly (Δg) directional derivative (Vxz) peak value indicates the ground projection position of the top edge of the step that forms the gravity gradient zone, but is less related to the angle of the step. Using the 3/4 extreme value position, the authors deduced another inversion formula and proved that this formula is better than the common formula which uses 1/4 extreme value position.|
|Subjects:||Applications; Coordinates; Geodesy; Gravity anomalies; Gravity field; Interpretation; Numerical models; Physical models; Simulation|
|Copyright Information:||GeoRef, Copyright 2021 American Geosciences Institute.|
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