Cataclasite

Cataclasite

Une cataclasite est une roche cohésive créée par une importante contrainte lors du mouvement le long d'une faille. Les éléments de la roche antérieure sont fracturés et recimentés par des circulations de fluides minéralisés.


Wikimedia Foundation. 2010.

Contenu soumis à la licence CC-BY-SA. Source : Article Cataclasite de Wikipédia en français (auteurs)

Игры ⚽ Поможем написать реферат

Regardez d'autres dictionnaires:

  • Cataclasite — is a metamorphic rock that is formed by mechanical shear stress during faulting [ [http://www.glossary.oilfield.slb.com/Display.cfm?Term=cataclastic Oilfield Glossary] ] . It is either incohesive or cohesive with poor schistosity. It is usually… …   Wikipedia

  • Fault (geology) — Part of a series on earthquakes Types Foreshock • Aftershock • Blind thrust Doublet • Interplate • …   Wikipedia

  • Fault breccia — (IPA: /ˈbrɛtʃiə, ˈbrɛʃ /, Italian: breach), or tectonic breccia is a breccia (a rock type consisting of angular clasts) that was formed by tectonic forces. Fault breccia has no cohesion, it is normally an unconsolidated rock type, unless… …   Wikipedia

  • Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …   Wikipedia

  • List of rock types — This page is intended as a list of all rock types. NOTOC A : Amphibolite: Andesite: Anorthosite : Anthracite: Aplite: Argillite: Arkose B : Banded iron formation: Basalt: Basanite: Blueschist: Boninite: Breccia C : Carbonatite: Cataclasite: Chalk …   Wikipedia

  • Whipple Mountains — The Whipple Mountains ( Avii Kur utat [Munro, P et al. A Mojave Dictionary Los Angeles: UCLA, 1992] in Mojave) are located in southeastern California south of Lake Havasu City, Arizona, and north of the Arizona town of Parker. The range stretches …   Wikipedia

  • Shear (geology) — Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics. Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear… …   Wikipedia

  • Brittle-ductile transition zone — [ continental crust and changes in dominant deformation mechanisms and fault rocks in a conceptual vertical fault zone. ] The brittle ductile transition zone is the strongest part of the Earth s crust. For quartz and feldspar rich rocks in… …   Wikipedia

  • катаклазиты — Породы, возникающие в результате процессов динамометаморфизма и характеризующиеся деформацией кристаллических решеток минералов и механическим дроблением; преобразования в каталазитах значительно слабее, чем в милонитах. [Словарь геологических… …   Справочник технического переводчика

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”