نتایج جستجو برای: thermobarometry
تعداد نتایج: 187 فیلتر نتایج به سال:
Metamorphic rocks that mostly consist of amphibolite, amphibole schist, garnet hornblendite and rarely metamorphosed chemical and terrigenous sediments are found in the ophiolitic complex of north Torbat-E- Heidarieh. Thermobarometry calculations of amphibolite samples indicate temperature higher than 800 °C and pressure less than 5 Kb. Metamorphic conditions of amphibole schist and garnet hor...
Abstract The ultrahigh-pressure (UHP) whiteschists of the Brossasco-Isasca unit (Dora-Maira Massif, Western Alps) provide a natural laboratory in which to compare results from classical pressure (P)–temperature (T) determinations through thermodynamic modelling with emerging field elastic thermobarometry. Phase equilibria and chemical composition three garnet megablasts coupled Zr-in-rutile the...
Metapelites of the Do Chah complex (SE Shahrood) are composed of micaschist, garnet micaschist, chloritoid schist and garnet-bearing gneiss. In the highest degree of metamorphism, metapelites have been affected by partial melting, resulting as granitization. A significant part of these rocks, imposed by compressional tectonic regime and show typical evidence of plastic deformation and intensive...
Abstract. Retrograde metamorphic rocks provide key insights into the pressure–temperature (P–T) evolution of exhumed material, and resultant P–T constraints have direct implications for mechanical thermal conditions subduction interfaces. However, constraining retrograde has historically been challenging resulted in debate about experienced by these rocks. In this work, we combine elastic therm...
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