APPLICATION OF ENHANCED NORMALIZED FULL GRADIENT METHOD TO DETERMINE THE POSITION OF POTENTIAL FIELD ANOMALIES

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YOOSEFI TABAS A.; AGHAJANI H.

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Journal: JOURNAL OF MINERAL RESOURCES ENGINEERING Year:2018 | Volume:3 | Issue:3 Page(s): 17-29

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Title

APPLICATION OF ENHANCED NORMALIZED FULL GRADIENT METHOD TO DETERMINE THE POSITION OF POTENTIAL FIELD ANOMALIES

Author(s)

YOOSEFI TABAS A. | AGHAJANI H. | Issue Writer Certificate

Keywords

ENHANCED NORMALIZED FULL GRADIENT

OPTIMAL HARMONIC NUMBER

FOURIER TRANSFORM

ANOMALY POSITION

Abstract

Determining the position of potential field anomalies is one of the objectives of data processing, which is done using various methods such as normalized full gradient. The normalized full gradient method used in the interpretation of geophysical data is a semi-quantitative and semi-automatic method, which incorporates FOURIER TRANSFORM for the elimination of the problems associated with the application of the downward continuation filter through an anomalous source. The results will be reliable if the number of harmonics in the Fourier series is used correctly. The ENHANCED NORMALIZED FULL GRADIENT method analyzes the two curves: the energy ratio curve of the reconstructed anomalies and the depth curve, along with variation in the number of harmonics, and provides a suitable solution for selecting the number of optimal harmonics. This method was applied on synthetic models and satisfactory results were obtained. The ENHANCED NORMALIZED FULL GRADIENT method has also been used to determine the position of the anomalous body of Jalalabad deposit. The result of this study shows that using the ENHANCED NORMALIZED FULL GRADIENT method it is possible to determine the number of optimal harmonics and the position of anomalous bodies from potential field anomalies.

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APA: Copy

YOOSEFI TABAS, A., & AGHAJANI, H.. (2018). APPLICATION OF ENHANCED NORMALIZED FULL GRADIENT METHOD TO DETERMINE THE POSITION OF POTENTIAL FIELD ANOMALIES. JOURNAL OF MINERAL RESOURCES ENGINEERING, 3(3 ), 17-29. SID. https://sid.ir/paper/265382/en

Vancouver: Copy

YOOSEFI TABAS A., AGHAJANI H.. APPLICATION OF ENHANCED NORMALIZED FULL GRADIENT METHOD TO DETERMINE THE POSITION OF POTENTIAL FIELD ANOMALIES. JOURNAL OF MINERAL RESOURCES ENGINEERING[Internet]. 2018;3(3 ):17-29. Available from: https://sid.ir/paper/265382/en

IEEE: Copy

A. YOOSEFI TABAS, and H. AGHAJANI, “APPLICATION OF ENHANCED NORMALIZED FULL GRADIENT METHOD TO DETERMINE THE POSITION OF POTENTIAL FIELD ANOMALIES,” JOURNAL OF MINERAL RESOURCES ENGINEERING, vol. 3, no. 3 , pp. 17–29, 2018, [Online]. Available: https://sid.ir/paper/265382/en

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