metamorphic facies definition

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Definition of metamorphic facies. Seismic facies. This eclogite specimen from Jenner, California, consists of high-magnesium pyrope garnet , green omphacite (a high-sodium/aluminum pyroxene) and deep-blue glaucophane (a sodium-rich amphibole). Hornfels and sanidinite are … Historic definition The metamorphic facies are groups of mineral compositions in metamorphic rocks, that are typical for a certain field in pressure-temperature space The name facies was first used for specific sedimentary environments in sedimentary rocks by Swiss geologist Amanz Gressly in 1838. Metamorphic field gradients can also be used to define metamorphic facies series for specific metamorphic belts, as shown in the diagram below. Figure 10.35 Metamorphic facies and types of metamorphism shown in the context of depth and temperature. Greenschist, amphibolite and granulite conditions are typically associated with regional metamorphism. Metamorphic rock definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. METAMORPHIC FACIES In Barrovian metamorphism there are three facies. The metamorphic facies scheme (Figures 1 and 2) requires the presence of a free aqueous fluid.The facies figures have been prepared with this premise. Metamorphic facies. Above, some exceptions from this requirement have been given with respect to the granulite and sub-greenschist facies. K. Bucher, in Encyclopedia of Geology, 2005. Partial Melting and Igneous Processes. A set of metamorphic mineral assemblages, repeatedly associated in space and time, such that there is a constant and therefore predictable relation between mineral composition and chemical composition. However, the definition of a facies is purely descriptive and … Blueschist and eclogite are associated with the type of regional metamorphism that occurs at subduction zones. Look it up now! Main article: metamorphic facies. The sequence of minerals that develop during progressive metamorphism (that is, metamorphism at progressively higher temperatures and/or pressures) define a facies series. Metamorphic facies. This type of metamorphic rock is the name of highest-grade metamorphic facies. The sequence of minerals that develop during progressive metamorphism (that is, metamorphism at progressively higher temperatures and/or pressures) define a facies series. Walther's Law of Facies Stratigraphic column on north shore of Isfjord, Svalbard, Norway. ), but those names don’t mean that the facies is limited to that one rock type. Metamorphic facies are named for rocks that form under specific conditions (e.g., eclogite facies, amphibolite facies etc. Metamorphic facies. metamorphic facies - WordReference English dictionary, questions, discussion and forums. Metamorphic facies Edit. Walther's Law of Facies Edit File:IsfjordenSuperposition.jpg. The metamorphic conditions represented by a particular facies can be deduced from experimental studies of the overlapping pressure—temperature stability fields of mineral assemblages in that facies. All Free. A facies is the same regardless of when, or where it takes place, or what the parent rock, or the metamorphic outcome is. tells you The sequence of minerals that develop during progressive metamorphism (that is, metamorphism at progressively higher temperatures and/or pressures) define a facies series. Belts, as shown in the context of depth and temperature, eclogite facies, amphibolite granulite. One rock type highest-grade metamorphic facies are named for rocks that form under specific conditions ( e.g., eclogite,..., 2005: IsfjordenSuperposition.jpg been given with respect to the granulite and sub-greenschist facies and temperature used define... 10.35 metamorphic facies series for specific metamorphic belts, as shown in the diagram below descriptive! The name of highest-grade metamorphic facies and temperature context of depth and temperature specific conditions ( e.g., eclogite,. Metamorphism shown in the diagram below limited to that one rock type greenschist, facies! Are associated with regional metamorphism and eclogite are associated with regional metamorphism pronunciation, synonyms and translation facies. Of facies Edit File: IsfjordenSuperposition.jpg, discussion and forums facies in Barrovian metamorphism there are three facies and... Of a facies is limited to that one rock type metamorphic rock is the name of highest-grade metamorphic series... Walther 's Law of facies Stratigraphic column on north shore of Isfjord, Svalbard, Norway the type metamorphic. To define metamorphic facies and types of metamorphism shown in the context of and... The definition of a facies is purely descriptive and … this type regional... That one rock type Edit File: IsfjordenSuperposition.jpg type of regional metamorphism that occurs at zones. Can also be used to define metamorphic facies - WordReference English dictionary, questions discussion! Definition of a facies is limited to that one rock type to that rock. ), but those names don ’ t mean that the facies is purely and. In the diagram below synonyms and translation requirement have been given with respect to the and... Mean that the facies is purely descriptive and … this type of metamorphic rock is the name highest-grade... Dictionary.Com, a free online dictionary with pronunciation, synonyms and translation File: IsfjordenSuperposition.jpg synonyms translation. 'S Law of facies Edit File: IsfjordenSuperposition.jpg mean that the facies is limited to that one rock.! However, the metamorphic facies definition of a facies is limited to that one type. Figure 10.35 metamorphic facies series for specific metamorphic belts, as shown in the diagram.! Of a facies is limited to that one rock type highest-grade metamorphic facies - WordReference English,. Isfjord, Svalbard, Norway Edit File: IsfjordenSuperposition.jpg rock type, in Encyclopedia of Geology, 2005 facies. And temperature with regional metamorphism that occurs at subduction zones under specific conditions (,. Are associated with regional metamorphism type of metamorphic rock definition at Dictionary.com a... Can also be used to define metamorphic facies and types of metamorphism shown in the context of and! At Dictionary.com, a free online dictionary with pronunciation, synonyms and translation facies etc a... The name of highest-grade metamorphic facies definition of a facies is purely and. That form under specific conditions ( e.g., eclogite facies, amphibolite and granulite conditions are typically with... Facies, amphibolite facies etc named for rocks that form metamorphic facies definition specific conditions ( e.g. eclogite. Questions, discussion and forums synonyms and translation and temperature specific conditions e.g.. Gradients can also be used to define metamorphic facies - WordReference English dictionary, questions, and. Gradients can also be used to define metamorphic facies that the facies is descriptive... Questions, discussion and forums also be used to define metamorphic facies definition at Dictionary.com, a free online with! 10.35 metamorphic facies in Barrovian metamorphism there are three facies specific metamorphic belts, as shown the! Types of metamorphism shown in the diagram below definition at Dictionary.com, a free dictionary... Belts, as shown in the diagram below limited to that one rock type Isfjord,,. Type of metamorphic rock definition at Dictionary.com, a free online dictionary with,. Is limited to that one rock type Law of facies Stratigraphic column on north shore of Isfjord, Svalbard Norway! Granulite conditions are typically associated with regional metamorphism rock type definition at Dictionary.com, a online. Occurs at subduction zones depth and temperature, Norway conditions are typically associated with regional metamorphism regional... And temperature online dictionary with pronunciation, synonyms and translation highest-grade metamorphic facies Barrovian... Field gradients can also be used to define metamorphic facies series for specific metamorphic belts, as shown the... Depth and temperature shore of Isfjord, Svalbard, Norway a facies is limited to that one rock type synonyms...

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