Numerical Method of Lithostratigraphic Description and Its Realization

doi:10.11885/j.issn.1674-5086.2017.03.29.01

Abstract

Abstract: To solve problems in conventional mechanical recording and lithostratigraphic description methods, this study investigated the numerical description of rock strata and its digitization using diagenetically related depositional sequences as the fundamental geological unit for lithostratigraphic description. By comparing the self-similarity of stratigraphic units and the basic stratigraphic units, a framework was constructed for rock stratigraphic description. Iterations were performed with abstract rock unit symbols for visualizing the framework content. The measured cross-section profile of Lengshui Creek was taken as an example for demonstrating the feasibility and scientific validity of digitizing stratigraphic descriptions with the system. The results show that stratum description with the self-similarity of the basic stratigraphic units explains the sedimentation process and pattern in a clear and concise manner. This has important theoretical and practical significance in regional geological survey and hydrocarbon resource exploration.

Key words: lithostratigraphic units, rock symbols, numerical description, Qixia formation, geological mapping

CLC Number:

TE132
P53

ZHAO Gang, CHEN Hu, TAN Xiucheng, XIAO Jindong. Numerical Method of Lithostratigraphic Description and Its Realization[J]. 西南石油大学学报(自然科学版), 2018, 40(4): 69-78.

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