Abstract
AbstractThe structural feature shown on a remote sensing image is a synthetic result of combination of the deformations produced during the entire geological history of an area. Therefore, the respective tectonic stress field of each of the different stages in the complex deformation of an area can be reconstructed in three steps: (1) geological structures formed at different times are distinguished in remote sensing image interpretation; (2) structural deformation fields at different stages are determined by analyzing relationships between microstructures (joints and fractures) and the related structures (folds and faults); and (3) tectonic stress fields at different stages are respectively recovered through a study of the features of structural deformation fields in different periods.Circular structures and related circlular and radial joints are correlated in space to concealed structural rises. The authors propose a new method for establishing a natural model of the concealed structural rises and calculating the tectonic stress field by using quantitative data of the remote sensing information of circular structures and related linear structures.
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