نتایج جستجو برای: Metabasite

تعداد نتایج: 40  

Journal: :Geological Magazine 1974

Ali-Khan Nasr-Esfahani

The study area is located in the western portion of Isfahan, in Shahrekord-Dehsard Terrene. This area is part of the Sanandaj- Sirjan structural Zone. In this area, metamorphosed igneous outcrops contain greenschist and metabasite rocks. These rocks have metamorphed into greenschist facies and belong to the Triassic-Jurassic age. The etabasite is mainly composed of plagioclase, amphibole, epido...

Journal: :international journal of environmental research 0

metabasites and serpentinites of the ophiolitic sequence of the gimigliano-mount reventino unit(calabria, southern italy), also known as greenstones, are employed and marketed for building and ornamentalpurposes since prehistorical times. the main topic of our research focuses on the occurrence, within the abovelithotypes, of asbestiform minerals that may be potentially harmful for human health...

Saeidi, , Hajialioghli, , Moazzen, ,

East Salmas Metabasites, as one of the most extensive units of the metamorphic complex, is located in the northwest of Sanandaj-Sirjan zone. These metabasites are mainly composed of amphibolite and green shist, alternating with geniss, metadiorite and marble metamorphic rocks. Metabasites are structurally oriented and mass, and grain size varies from small to medium. According to microscopic st...

ناصری اسفندقه, افسانه, باقری, ساسان , بیابانگرد, حبیب , زاهدی, اعظم , ناکاشیما, کازیو ,

Studying of the ferromagnesian rocks, including metaperidotite and metabasite, as well as the calcium-bearing ones such as calc-silicate in the different parts of the Deh-Salm metamorphic complex (DMC) in the east of the Lut block caused a widespread recognition of various paragenesises of amphiboles. Focused EPMA studies represent amphiboles with the different compositions and PT conditions. T...

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