نتایج جستجو برای: geothermobarometry
تعداد نتایج: 80 فیلتر نتایج به سال:
Using a combination of microstructural, spectroscopic, and geochemical analyses, we investigate how subgrain rotation recrystallization fluid migration affect Ti concentration [Ti] in naturally deformed quartz veins from the Prijakt Nappe (Austroalpine Unit, Eastern Alps). These coarse-grained veins, that formed at amphibolite facies conditions, were overprinted by lower greenschist deformation...
The basement of eastern Mexico comprises Grenvillian-age granulite-facies metamorphic rocks. Oaxacan Complex represents the largest outcrop belt this in Mexico. In work, southwestern garnets are studied from a petrographical, geochemical, and geothermobarometrical perspective for first time. display different grain sizes nucleated polyphase evolution. almandine end member proportion is similar ...
Amphiboles are one of the major minerals in metabasic rocks in greenshist to upper amphibolite facies. Amphiboles have variable chemical composition, therefore, various elements with different ionic charge and radius can intering into their structure that occupy special mineralogical sites. There are some elements in amphiboles which are sensitive to the changes of pressure and temperature. The...
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