Primary centers and secondary concentrations of tectonic activity through time in the western hemisphere of Mars
R. C. Anderson, J. M. Dohm, M. P. Golombek, A. F. C. Haldemann, B. J. Franklin, K. L. Tanaka, J. Lias, B. Peer 2001 Journal of Geophysical Research v106, no. E9, pp 20,563–20,586.
This article from the Journal of Geophysical Research discusses the timing of five main stages of radial and concentric structures formed around the Tharsis volcanic region on Mars. Geologic mapping and the alignment of radial and concentric orientations are used to determine the relationship between the structures and the timing of their occurrence.