نتایج جستجو برای: glaucophane schist

تعداد نتایج: 654  

Journal: :Gondwana Research 2010

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Journal: :The Journal of Geology 1902

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Journal: :New biotechnology 2016
Mouna Ben Jaber Annabelle Couvert Abdeltif Amrane Franck Rouxel Pierre Le Cloirec Eric Dumont

Removal of high concentrations of hydrogen sulfide using a biofilter packed with expanded schist under extreme acidic conditions was performed. The impact of various parameters such as H2S concentration, pH changes and sulfate accumulation on the performances of the process was evaluated. Elimination efficiency decreased when the pH was lower than 1 and the sulfate accumulation was more than 12...

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Journal: :The Journal of the Geological Society of Japan 1900

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Journal: :Contributions to Mineralogy and Petrology 1969

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Journal: :Earth Surface Processes and Landforms 2006

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Journal: :Quarterly Journal of the Geological Society 1885

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Journal: :International Geology Review 2021

Massive, boudinaged, rose-coloured layers up to one metre in thickness composed of 60–80 vol% spessartine-rich garnet and 15–40 quartz occur high-pressure, garnet-mica schist on Margarita I...

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ژورنال: بلورشناسی و کانی شناسی ایران 2004
ملک‌زاده شفارودی, آزاده, مظاهری , سید احمد , کریم‌پور, محمد‌حسن ,

Rock unites which are exposed in Tak-I mine area are: Taknar formation (Ordovician), Mid-late Paleozoic and younger intrusive rocks. Taknar formation consists of sericite schist, chlorite schist, chlorite-sericite schist and some meta-diabase- gabbro-diorite. Taknar Polymetal (Cu-Zn-Au-Ag-Pb) Massive sulfide deposit formed at certain horizon of Taknar formation. Three style of mineralization ar...

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Journal: :Journal of African Earth Sciences 2021

Talc schist deposits are reported in central Cameroon region, and different alteration zones were determined depending on differences related to the texture color of host rock. For purpose determining mineralogical physicochemical characteristics talc schist, a total 45 samples from sites studied collected analyzed using an array physico-chemical methods. mainly composed variable amount associa...

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