Moine thrust zone mylonites at the Stack of Glencoul : I - microstructures, strain and influence of recrystallization on quartz crystal fabric development

Autor: Law, R.D., MAINPRICE, David, Casey, Martin, Lloyd, Geoffrey E., Knipe, R.J., Cook, B., Thigpen, J.R.
Přispěvatelé: Department of Geosciences [Blacksburg], Virginia Tech [Blacksburg], Géosciences Montpellier, Université des Antilles et de la Guyane (UAG)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Institute of Geophysics and Tectonics, School of Earth and Environment, University of Leeds, University of Kentucky, Law R.D., Butler R.W.H., Holdsworth R., Krabbendam M., Strachan R., Aigle, Gm
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Continental Tectonics and Mountain Building: The Legacy of Peach and Horne, Geological Society Speci
Law R.D.; Butler R.W.H.; Holdsworth R.; Krabbendam M.; Strachan R. Continental Tectonics and Mountain Building: The Legacy of Peach and Horne, Geological Society Speci, Geological Society of London, pp.543-577, 2010
Popis: International audience; Since the early descriptions published by Callaway in 1884, the gently dipping mylonites exposed along the Moine Thrust at the Stack of Glencoul have drawn generations of geologists to the northern part of the Assynt district. These mylonites, derived from Cambrian quartzites (footwall) and Moine pelites and psammites (hanging wall), have figured prominently in: a) early research into the influence of crystal plastic deformation and recrystallization on microstructural and crystal fabric evolution; b) debates on the kinematic interpretation of macro- and micro-structures and crystal fabrics; and c) debates on the tectonic significance of such kinematic data. In this paper first we briefly review the historical aspects of this research and then, using both previously published and unpublished data, document the finite strain and quartz fabric development at this classic mylonite locality. A tectonic interpretation of these data, together with quantitative estimates of flow vorticities associated with mylonite formation at the Stack of Glencoul, are presented in a companion paper by Law (2010).
Databáze: OpenAIRE