Zeolite facies describes the mineral assemblage resulting from the pressure and temperature conditions of low-grade metamorphism. The zeolite facies is generally considered to be transitional between diagenetic processes which turn sediments into sedimentary rocks, and prehnite-pumpellyite facies, which is a hallmark of subseafloor alteration of the oceanic crust around mid-ocean ridge spreading centres. The zeolite and prehnite-pumpellyite facies are considered burial metamorphism as the processes of orogenic regional metamorphism are not required.
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| - Facies zeolitica (it)
- Zeolietfacies (nl)
- Zeolite facies (en)
- 沸石相 (zh)
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| - De zeolietfacies is de metamorfe facies met de laagste graad van metamorfose. Bij temperaturen en drukken lager dan de zeolietfacies vindt diagenese plaats. De facies is genoemd naar het voorkomen van zeolieten, sterk gehydrateerde tectosilicaten. Zoals bij alle metamorfe facies wordt de zeolietfacies vastgesteld aan de hand van bepaalde mineralen die gewoonlijk middels onderzoek naar slijpplaatjes worden gedetermineerd. In metamorfe stollingsgesteenten, grauwackes en pelieten zijn de volgende mineraalsamenstellingen typerend voor de zeolietfacies: (nl)
- La facies zeolitica è la facies metamorfica di più basso grado. Prende il nome da alcuni minerali della famiglia delle zeoliti, allumosilicati idrati, che in parte la caratterizzano. È delimitata inferiormente dalla diagenesi e superiormente dalla . Le temperature e le pressioni modeste che si raggiungono in questa facies segnano, infatti, il passaggio dalla diagenesi al metamorfismo. (it)
- 沸石相（英語：zeolite facies）是一種在低度變質作用下的礦物組合。通常被認為是沈積物的成岩過程與葡萄石-绿纤石相之間的過渡相。後者這是中洋脊擴張中心周圍洋殼海底變質的標誌。由於不需要區域造山變質作用，沸石相和葡萄石-绿纤石相被認為是埋藏變質類型。最常出現沸石相原岩通常為泥質沉積物，含鋁、二氧化矽、鉀和鈉量高，但通常鐵、鎂和鈣含量較低。沸石相變質作用通常導致低溫粘土礦物產生高溫多晶型物，如高嶺石（英語：kaolinite）和蛭石（英語：vermiculite）。 沸石相礦物組合包括高嶺石和蒙脫石以及月桂石、懷拉克石、葡萄石、方解石和綠泥石。 若原岩富含鉀，礦物組合為多硅白云母（英語：Phengite）adularia冰长石（英語：adularia）,沸石、鈉長石和石英。沸石相成岩溫度約為 50 - 150 °C，埋深通常為 1 - 5 公里。一般深成岩和火山岩受沸石相變質作用的影響不大，但沸石礦物會在玄武岩孔洞中出現。 (zh)
- Zeolite facies describes the mineral assemblage resulting from the pressure and temperature conditions of low-grade metamorphism. The zeolite facies is generally considered to be transitional between diagenetic processes which turn sediments into sedimentary rocks, and prehnite-pumpellyite facies, which is a hallmark of subseafloor alteration of the oceanic crust around mid-ocean ridge spreading centres. The zeolite and prehnite-pumpellyite facies are considered burial metamorphism as the processes of orogenic regional metamorphism are not required. (en)
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| - Zeolite facies describes the mineral assemblage resulting from the pressure and temperature conditions of low-grade metamorphism. The zeolite facies is generally considered to be transitional between diagenetic processes which turn sediments into sedimentary rocks, and prehnite-pumpellyite facies, which is a hallmark of subseafloor alteration of the oceanic crust around mid-ocean ridge spreading centres. The zeolite and prehnite-pumpellyite facies are considered burial metamorphism as the processes of orogenic regional metamorphism are not required. Zeolite facies is most often experienced by pelitic sediments; rocks rich in aluminium, silica, potassium and sodium, but generally low in iron, magnesium and calcium. Zeolite facies metamorphism usually results in the production of low temperature clay minerals into higher temperature polymorphs such as kaolinite and vermiculite. Mineral assemblages include kaolinite and montmorillonite with laumontite, wairakite, prehnite, calcite and chlorite. Phengite and adularia occur in potassium rich rocks. Minerals in this series include zeolites, albite, and quartz. This occurs by dehydration of the clays during compaction, and heating due to blanketing of the sediments by continued deposition of sediments above. Zeolite facies is considered to start with temperatures of approximately 50 - 150 °C and some burial is required, usually 1 - 5 km. Zeolite facies tends to correlate in clay-rich sediments with the onset of a bedding plane foliation, parallel with the bedding of the rocks, caused by alignment of platy clay minerals in a horizontal orientation which reduces their free energy state. Generally plutonic and volcanic rocks are not greatly affected by zeolite facies metamorphism, although vesicular basalts and the like will have their vesicles filled with zeolite minerals, forming amygdaloidal texture. Tuff can also become zeolitized, as is seen in the Obispo formation on the California coast. (en)
- De zeolietfacies is de metamorfe facies met de laagste graad van metamorfose. Bij temperaturen en drukken lager dan de zeolietfacies vindt diagenese plaats. De facies is genoemd naar het voorkomen van zeolieten, sterk gehydrateerde tectosilicaten. Zoals bij alle metamorfe facies wordt de zeolietfacies vastgesteld aan de hand van bepaalde mineralen die gewoonlijk middels onderzoek naar slijpplaatjes worden gedetermineerd. In metamorfe stollingsgesteenten, grauwackes en pelieten zijn de volgende mineraalsamenstellingen typerend voor de zeolietfacies: (nl)
- La facies zeolitica è la facies metamorfica di più basso grado. Prende il nome da alcuni minerali della famiglia delle zeoliti, allumosilicati idrati, che in parte la caratterizzano. È delimitata inferiormente dalla diagenesi e superiormente dalla . Le temperature e le pressioni modeste che si raggiungono in questa facies segnano, infatti, il passaggio dalla diagenesi al metamorfismo. (it)
- 沸石相（英語：zeolite facies）是一種在低度變質作用下的礦物組合。通常被認為是沈積物的成岩過程與葡萄石-绿纤石相之間的過渡相。後者這是中洋脊擴張中心周圍洋殼海底變質的標誌。由於不需要區域造山變質作用，沸石相和葡萄石-绿纤石相被認為是埋藏變質類型。最常出現沸石相原岩通常為泥質沉積物，含鋁、二氧化矽、鉀和鈉量高，但通常鐵、鎂和鈣含量較低。沸石相變質作用通常導致低溫粘土礦物產生高溫多晶型物，如高嶺石（英語：kaolinite）和蛭石（英語：vermiculite）。 沸石相礦物組合包括高嶺石和蒙脫石以及月桂石、懷拉克石、葡萄石、方解石和綠泥石。 若原岩富含鉀，礦物組合為多硅白云母（英語：Phengite）adularia冰长石（英語：adularia）,沸石、鈉長石和石英。沸石相成岩溫度約為 50 - 150 °C，埋深通常為 1 - 5 公里。一般深成岩和火山岩受沸石相變質作用的影響不大，但沸石礦物會在玄武岩孔洞中出現。 (zh)
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