Paleostress
This article may be too technical for most readers to understand.(January 2011) |
Paleostress is a term used in geology (specifically in the fields of
In practice, a paleostress tensor may be quantified based on the measurement of certain geological structures (e.g. faults), whose specific geometries and spatial organization are theoretically linked to the parameters of the tensor (see paleostress inversion). The latter are quantified through inversion of the structures measured in the field (or potentially on rock samples in the lab).[citation needed]
Paleostress is a subset of
- Microscopic:
- Crystal deformation, including twinning,
- Pressure solution
- Microfractures,
- Aligned fluid inclusions.
- Macroscopic:
- Folding
- Fracturing
- Faulting(fracturing accompanied by offset of rock bodies on either side of the fracture surface)
Traditionally, deformations (either folding or fracturing—without
Zoback and Zoback's (1986) synthesis of contemporary stress measurements in North America[2] was subsequently expanded to a global study[3] which continues as the World Stress Project.
A number of regional studies of paleostresses has been undertaken, including Europe;[4] North America;[5][6] and Australia.[7]
References
- ^ Anderson, E. M., 1951, The Dynamics of Faulting and Dyke Formation, 2nd ed., Oliver & Boyd, Edinburgh.
- ^ Zoback, M., and Zoback, M., 1986, DNAG volume
- ^ Zoback, M., et al., 1989, World Stress Project, Nature.
- ^ Bergerat, F., 1987. Stress fields in the European Platform at the time of Africa-Eurasia collision. Tectonics, 6(2): 99-132.
- , 2002.
- ^ Pilger, R. H., Jr., 2003, Geokinematics: Prelude to Geodynamics, Springer-Verlag, Berlin., 2003)
- Aleksandrowski, P. 1985. Graphical determination of principal stress
- Pascal, C., 2021. Paleostress Inversion Techniques: Methods and Applications for Tectonics, Elsevier, 400 p. https://www.elsevier.com/books/paleostress-inversion-techniques/pascal/978-0-12-811910-5
- Sippel, J., 2009, The Paleostress History of the Central European Basin System, Scientific Technical Report STR09/06, Dissertation zur *Erlangung des akademischen Grades doctor rerum naturalium im Fachbereich Geowissenschaften an der Freien Universität Berlin, http://bib.gfz-potsdam.de/pub/str0906/0906.pdf.