نتایج جستجو برای: cordierite

تعداد نتایج: 431  

Journal: :Journal of the Ceramic Society of Japan 2007

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1949

2001
M. DOLORES PEREIRA GÓMEZ M. DOLORES RODRÍGUEZ ALONSO

A large anatectic complex of Hercynian age, the Peña Negra complex, crops out in the central-north area of the Sierra de Gredos, Avila batholith, central Spain. Migmatites and anatectic granitic rocks were generated during the Upper Carboniferous from a Neoproterozoic – Lower Cambrian schist–greywacke complex with minor interlayered orthogneisses. Granitic rocks appear as subhorizontal sheets o...

2013
Elsa Marina LACROIx

Accurate control of groundwater pH is of critical importance for in situ biological treatment of chlorinated solvents. This study evaluated a novel approach for buffering subsurface pH that relies on the use of silicate minerals as a long-term source of alkalinity. A screening methodology based on thermodynamic considerations and numerical simulations was developed to rank silicate minerals acc...

Journal: :Journal of the Ceramic Society of Japan 2005

Journal: :Journal of the Ceramic Society of Japan 1994

مؤذن, محسن , مؤید, محسن, مجرد, منیر ,

On the basis of microstructural evidence it is clear that SMC metapelites have experienced at least two regional (RM1, RM2) and one contact metamorphism (CM). During RM2, several porphyroblasts including kyanite, andalusite, staurolite, cordierite, garnet and fibrous sillimanite have grown in the mica - schists. In order to estimate the PT condition of metamorphism of metapelites, we used catio...

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1966

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