نتایج جستجو برای: mashhad granitoids
تعداد نتایج: 6194 فیلتر نتایج به سال:
Article Type: Original Article Introduction: There is a direct relationship between the quality of root canal obturation and success of endodontic therapy. The aim of the present study was to assess the quality of canal obturation performed by undergraduate dental students at the Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran. Materials and Methods: Records of 200 e...
Back ground: Urinary tract infection is one of the most common bacterial infections in pediatric group. Over the last decades the management of children with febrile urinary tract infection has become quite controversial. Although different guidelines had been designed to determine high risk cases, there is no global Consensus about imaging and follow up. In this chapter the author aim to discu...
BACKGROUND AND AIMS In spite of their enormous importance, permanent first molars might be affected by caries in children in developing countries. The aim of this study was to evaluate the treatment needs of first permanent molars in a group of schoolchildren in Mashhad. MATERIALS AND METHODS This cross-sectional descriptive study was carried out on 700, 7-9 year-old students in primary schoo...
The cordon pricing scheme is an efficient measure to untie congestion and environmental problems in urban metropolitan areas. Since March of 2007, Mashhad has implemented a restricted Central Business District (CBD) Zone as a seasonal congestion management program. The primary goal of the Mashhad cordon scheme is to reduce traffic congestion throughout the CBD. This paper describes the main fea...
The Siyahmansour area is located between longitude 370 46َ 07" to 370 50َ 19" N and latitude 470 53ً 13" to 470 58َ 22" E in northeastern town of Miyaneh Exposure of different igneous rocks in the studied area including Eocene to Miocene volcanic rocks, granitoids and diorites. The granitoids are different including muscovite granites and granite-granodiorite. The muscovite granites are intruded in...
Late Eocene-Early Oligocene Zouzan granitoid bodies are located in northern part of Lut Block and southeast of Khaf in Khorasan Razavi Province and intruded in metamorphic and sedimentary rocks of Precambrian to Eocene. as a result of subduction of Lut Block under Helman Block ,Lut magmatism and Zoozan granitoids have been formed. The granitoid bodies are composed of granodiorite, monzonite, mo...
The study area is located in northwest of Isfahan, 25 km northwest of Daran. Buin-Miandasht intrusive rocks consist of granite and granodiorite. Based on geochemical diagrams, these granitoids are I -type calc-alkaline and evolved in volcanic arc environments. The Buin-Miandasht intruded into the metamorphic basement (Paleozoic?) and a small skarn and hornfels occurred along its contact. Based ...
In this article, for the first time, a comparison is made of magmatic events that occurred in northern and southern framing eastern flank Mongol-Okhotsk orogenic belt. It established these simultaneously. The igneous rocks accompanying are identical their material characteristics. And geochemical characteristics reflect geodynamic processes took place frame Mongolian-Okhotsk belt at end Mesozoi...
We report geochemical data of apatites from Mesozoic granitoids in the northeastern North China Craton (NCC), and discuss relationship between apatite whole-rock compositions with aim using to constrain granitoid petrogenesis. Measured Sr contents Sr/Y ratios exhibit positive correlations those their host rocks, εNd(t) values display a strong linear εHf(t) zircons granitoids. In addition, simil...
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