نتایج جستجو برای: type granitoid

تعداد نتایج: 1342393  

Journal: :Science and Technology Development Journal 2014

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1392

‎in this article‎, ‎we have focused one some basic and productive information about the properties of spectrum and singular values related to compact operators which are ideals in a c*-algebra of bounded operators‎. ‎considering a two-sided connection between the family of symmetric gauge functions on sequence of singular values of compact operators and symmetric norms on finite dimensional ope...

احمدی, علی, بیابانگرد, حبیب , غنجعلی پور, راضیه ,

Siah-Kamar hornfalses and skarns are located about 5Km east of Dehsalm and 85Km west of Nehbandan city, southeast of Birjand Province and east of Lut Block. This Skarn formed by injected Rigi granitoid (Eocene age) into limestone and sandstone (Upper Cratacious).  Rigi Mountain is mainly granodiorite in composition and contains plagioclase, quartz, hornbelend and biotite minerals. Geochemistry ...

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Field evidences, petrographic features and geochemical studies show that the garnet-muscovite granitoids of Boland Parchin area are S-type and they have sharp contact with the host rocks (metamorphic rocks). Granitoids of Boland Parchin contain minerals such as quartz, K-feldspars, plagioclase, biotite and Al-rich minerals (such as muscovite and garnet). Chemical composition of K-feldspars, pla...

Journal: :geopersia 2013
dariush esmaeily reza maghdour-mashhour amir ali tabbakh shabani

biotite samples from different units of boroujerd granitoid complex (bgc) of the sanandaj-sirjan zone, western iran, have beenanalyzed by electron microprobe for major elements. biotite analyses from three units of quartzdiorite, granodiorite and monzograniteof bgc have their own distinct non-overlapping compositional fields in the annite – siderophyllite – phlogopite – eastonitequadrilateral (...

Journal: :زمین شناسی اقتصادی 0
بهاره فاضلی محمود خلیلی روی بیورز مهین منصوری اصفهانی زهرا لقمانی دستجردی

introduction the generation and evolution of granitic magmas has been a hot debated subject among petrologists. the diversity of their origin has led different authors to propose that these rocks are not simple in their origin and might be generated in more ways than one. in the past several decades, many petrologists used a variety characteristics to subdivide the granitoid rocks. such proposa...

Journal: :Archives of Environmental Contamination and Toxicology 2021

Khetri Copper Belt, Rajasthan, is anthropogenically active and geologically belongs to the Delhi super-group. A study was designed understand geochemical processes controlling elemental mobility in groundwater. Sampling sites were divided into three zones, i.e. copper, quartzite granite mine zones depending on type of mineral excavated. total 32 representative groundwater samples collected anal...

Journal: :Mineralogy and Petrology 2021

Abstract Calculating the temperatures of magmas from which granitoid rocks solidify is a key task studying their petrogenesis, but few geothermometers are satisfactory. Zircon saturation thermometry has been most widely used because it conceptually simple and practically convenient, based on experimental calibrations with significant correlation calculated zircon temperature ( T Zr ) zirconium ...

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