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Numerical analysis of fold curvature using data acquired by high-precision GPS

Pearce, M.A.; Jones, R.R.; Smith, S.A.F.; McCaffrey, K.J.W.; Clegg, P.

Authors

M.A. Pearce

S.A.F. Smith

P. Clegg



Abstract

The maximum, minimum, Gaussian, and mean curvatures of a folded bedding surface are calculated from a high resolution data set. These data were collected using real-time kinematic (RTK) GPS and processed using commercially available software. The curvature parameters are calculated analytically from the first and second fundamental forms of the folded surface. Matrix algebra makes this method efficient for large data sets. Contoured maps of the curvature parameters can then be used as basemaps for the interpretation of other structural information such as fracture densities and orientations. This method provides precise analysis of folded surfaces in three dimensions and the data can be incorporated into larger-scale data sets obtained from seismic surveys.

Citation

Pearce, M., Jones, R., Smith, S., McCaffrey, K., & Clegg, P. (2006). Numerical analysis of fold curvature using data acquired by high-precision GPS. Journal of Structural Geology, 28(9), 1640-1646. https://doi.org/10.1016/j.jsg.2006.05.010

Journal Article Type Article
Publication Date Sep 1, 2006
Deposit Date Jan 16, 2008
Journal Journal of Structural Geology
Print ISSN 0191-8141
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 28
Issue 9
Pages 1640-1646
DOI https://doi.org/10.1016/j.jsg.2006.05.010
Keywords Curvature, Global Positioning System, GPS, Quantitative geological mapping.

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