نتایج جستجو برای: sabzevar ophiolite complex (soc)
تعداد نتایج: 801470 فیلتر نتایج به سال:
heavy metal concentration in the soils and sediments has increased worldwide during the last century due to the mining, smelting, and industrial activities. the forumad chromite deposit is located in the sabzevar ophiolitic complex (soc), with a long history of mining activities, yet very little is known about the heavy metal contamination in its surrounding environment. in this research work, ...
biogeochemical investigation on s. orientalis, a flora growing on the soils derived from serpentinized dunite in the forumad area, sabzevar ophiolite has been conducted in order to examine the plant-soil relationship in chromite prospecting. due to engagement of cr in the chromite crystal structure and its non-essential role in the plant’s life cycle, ni was used as pathfinder element in biogeo...
Numerous post-ophiolite intrusions exposed into the late Cretaceous–Paleocene Sabzevar ophiolite belt, northeast Iran. The intrusions consist of calc-alkaline intermediate to felsic rocks with metaluminous to peraluminous in nature and adakitic affinities. Based on U-Th-Pb dating on separated zircons by SHRIMP Ⅱ, the emplacement age of these rocks into the ophiolite zone is constrained to ~45 M...
کاربردهای سنگزایی شیمی کانی دیوپسیدیتهای گوشته در بخش شرقی افیولیت سبزوار (شمال شرقی ایران مرکزی)
In the eastern part of the Sabzevar ophiolite, southeast of Soleymanieh, there are white to pale greenish veins of diopsidite with 1–15 cm width inside mantle serpentinized harzburgites. The center of these veins is rather homogeneous and includes a monomineralic clinopyroxen with granular texture. The contact between the pure clinopyroxene and its host peridotite is always progressive and char...
Heavy metal concentration in the soils and sediments has increased worldwide during the last century due to the mining, smelting, and industrial activities. The Forumad chromite deposit is located in the Sabzevar ophiolitic complex (SOC), with a long history of mining activities, yet very little is known about the heavy metal contamination in its surrounding environment. In this research work, ...
Department of Nursing, School of Nursing and Midwifery, Sabzevar University of Medical Sciences, Sabzevar, IR Iran Department of Nursing, Mashhad University of Medical Sciences, Mashhad, IR Iran Department of English Language, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, IR Iran Corresponding author: Nematullah Shomoossi, Department of English Language, School of Medic...
The Kamyaran ophiolite complex as a part of the Kermanshah ophiolite is located in western Iran, along the Zagros orogeny and Neotethys suture zone. The Kamyaran ophiolite complex includes serpentinized harzburgites, isotropic and layered gabbros, diabasic dykes and pillow basalts. The diabasic dykes have experienced upper green schist facies metamorphism. Based on mineral chemistry of the diab...
The north - cast Arsanjan ophiolite complex is part of the Neyriz ophiolite complex located 24 km north - east of Arsanjan in the south - eastern part of the Zagros range . In I :250,000 geologic map of Shiraz, this complex has been conside red as an ultramalic t:umplcx, however, it is principally represented by serpentinized harzburgite and dunile, basalt, metadolerite, spilite, limeston...
the forumad ophiolite in the northwestern part of the sabzevar region has embraced the largedepleted harzburgites and dunitic bodies associated with podiform chromitites. in some deposits, chromitegrains have segregated as nodules. the stretched shape along with high cr2o3 and tio2 contents are thecharacteristics of the nodules. compared to the other tethyan nodular chromites, the forumad nodul...
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