Note: This is a pre-submission draft of the manuscript. It has not been peer- reviewed and may be submitted for publication in a peer-reviewed journal in the near future. Subsequent versions of this manuscript may vary in content and length. If published, the final version will be included with a link on the peer- reviewed publication doi page Author Listing: Huiru Xu 1 , Joseph G. Meert 2 , Manoj Pandit 3 1 Hubei Subsurface Multi-scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan, China 2 Department of Earth and Planetary Sciences, University of Florida, Gainesville, FL 32611 3 Department of Geology, University of Rajasthan, Jaipur 302004, India