Ấn phẩm:
Reliable Euler deconvolution solutions of gravity data throughout the β-VDR and THGED methods: Application to mineral exploration and geological structural mapping
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Tóm tắt
Euler deconvolution (ED) is mainly used to estimate the locations and depths of magnetic bodies. This technique can also be applied to gravity anomalies but requires caution, as Euler solutions directly obtained from gravity anomalies may provide misleading results. In addition, the traditional Euler deconvolution generates many spurious solutions and is noise-sensitive. This research presents an improved method for the ED of gravity anomalies. This method is based on a finite-difference method (β-VDR) that provides robust vertical derivatives of gravity anomalies, and the total horizontal gradient-based edge detection method (THGED) used to select the Euler solutions, filtering out spurious solutions. Our method is exemplified with two synthetic gravity models and two real datasets from the Voisey's Bay deposit (Canada) and the Hanoi basin (Vietnam). The advantage of the proposed method is that it can provide the depths more accurately and is less sensitive to noise than some modified ED methods.
Mô tả
Vietnam Journal of Earth Sciences, Vol. 46, No. 3
Tác giả
Pham, Thanh Luan
Saulo, Pomponet Oliveira
Le, Huy Minh
Nguyen, Viet Dat
Nguyen, Dang Quynh Trang
Do, Duc Thanh
Tran, Van Kha
Nguyen, Thi Hong Duyen
Ngo, Thi To Nhu
Pham, Quang Hung
Người hướng dẫn
Nơi xuất bản
Nhà xuất bản
Viện Địa chất, Viện Hàn lâm Khoa học và Công nghệ Việt Nam
Năm xuất bản
2024-06
ISSN tạp chí
Nhan đề tập
Từ khóa chủ đề
Edge detection , Stable finite difference , Gravity data , Euler deconvolution
URI
Tài liệu tham khảo
Thông tin bản quyền
Tệp tin
Luan Thanh Pham, Saulo Pomponet Oliveira, Minh Le-Huy, Dat Viet Nguyen, Trang Quynh Nguyen-Dang, Thanh Duc Do, Kha Van Tran, Hong-Duyen Thi Nguyen, To-Nhu Thi Ngo, Hung Quang Pham.pdf
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