نتایج جستجو برای: zagros zone
تعداد نتایج: 112169 فیلتر نتایج به سال:
در این تحقیق سازند آسماری (الیگو–میوسن) در چاه های 281 و 323 میدان نفتی مارون، جنوب شرق اهواز، به ترتیب شامل 510 متر و 609 متر نهشته های کربناته همراه با میان لایه هایی از شیل، ماسه سنگ است که به صورت تدریجی روی شیل های سازند پابده و به صورت ناپیوستگی هم شیب در زیر نهشته های سازند گچساران قرار دارد، بررسی شده است. میکروفونای نسبتاً متنوعی شامل فرامینیفرهای بنتونیک و پلانکتونیک به صورت مقاطع میکر...
توالی پرمین در منطقه سمنان و در برش چینه شناسی زیارت در جنوب شهمیرزاد مربوط به سازندهای دورود و روته است.سازند دورود با لیتولوژی ماسه سنگی و دارای سن پرمین زیرین می باشد.سازند دورد در منطقه با معرفی سه بایوزون minojapanella sp – schubertella sp assemblage zone ی yangchienia haydeni – dunbarula simplex assemblage zone , paraglobivalvulina mira – codonofusiella sp assemblage zone دارای سن مرگابین...
In this study, four well-exposed outcrops of the Asmari Fm in the southeastern part of the Izeh Zone of the Zagros Mountains were measured and sampled. In this region, the Asmari Fm is Oligocene to Early Miocene in age as determined by large benthic foraminifera. Based on depositional geometries, biogenic contents and lateral and vertical variations of facies, three depositional models are prop...
the study area is located at the sanandaj-sirjan zone in the west and north-west of azna and north-east of doroud, iran. the quartz-schists are divided into two main groups: amphibole-quartz schist and garnet-quartz schist. field and microstructural studies show several deformational phases. the d1 episode which is represented by s1, matches with m1 metamprphism and d2 deformation matches with ...
BACKGROUND HLA genes are highly polymorphic and certain alleles are frequent only in specific populations. Therefore, HLA is a unique tool for studying the genetic relation between different populations. Iranians are ethnically diverse people and one of the major ethnic groups in Iran is Lur population inhabiting along the central and southern parts of Zagros Chain Mountain. OBJECTIVE Genetic...
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 studied gabbroic rocks have exposures around Darreh-Bid salt dome. The rocks are located about 130 km south of Shahrekord (Chaharmahal and Bakhtiari Province). The studied area is a part of Zagros structural zone. Mineral chemistry studies were done on clinopyroxenes in the gabbroic rocks of the Darreh- Bid salt dome. The clinopyroxenes are diopsid and augite and are plotted in low pressur...
The Albian- Cenomanian (Kazhdumi Formation) sediments from northeast of Shiraz, Zagros Basin, represents a carbonate sedimentary succession and contain diverse gastropods and bivalves. Detailed studies on 80 samples of invertebrate macrofauna on two stratigraphic sections led to recognized 2 species and 5 genera of gastropods and 7 species and 13 genera of bivalves assemblages. The abscence of ...
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