Abstract
This paper presents the experimental results of analyzing the quantitative correlation of fracture distribu‐ tion at 10 survey sites on the Co To‐Thanh Lan islands, Quang Ninh province, Viet Nam. The obtained results show that most fracture correlation coefficients are over 0.80. The high correlation values among the survey sites reflect well the geodynamic conditions of the tectonic activity phases. These results confirm the significance of the correla‐ tion method in analyzing the structural geology and geotechnics.
Highlights
A structural unit of rock massis is characterized by the parameters of density, orientation, and spacing of fractures and faults
The method of quantitative correlation has been used for analyzing the frequency of fracture orientation distribution, which occurred along the tun‐ nel and the borehole, to identify structural domain boundary [Quoc Phi Nguyen et al, 2012; Truong Thanh Phi et al, 2015; Truong Thanh Phi, Quoc Phi Nguyen, 2015]
The Co To‐Thanh Lan islands are located in the north of Tonkin Gulf, Quang Ninh province, Viet Nam
Summary
A structural unit of rock massis is characterized by the parameters of density, orientation, and spacing of fractures and faults. The method of quantitative correlation has been used for analyzing the frequency of fracture orientation distribution, which occurred along the tun‐ nel and the borehole, to identify structural domain boundary [Quoc Phi Nguyen et al, 2012; Truong Thanh Phi et al, 2015; Truong Thanh Phi, Quoc Phi Nguyen, 2015]. The results from these studies provide a useful tool to support determining structural domains and delineating structural domain boundaries. We try to use the above‐mentioned method to analysis fracture distribution at 10 survey sites on the Co To‐Thanh Lan islands, Quang Ninh pro‐ vince, Viet Nam, to confirm its effectiveness for stu‐ dying structural domains and/or fault zones
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