نتایج جستجو برای: koppeh dagh

تعداد نتایج: 153  

Journal: :زمین شناسی اقتصادی 0
سجاد مغفوری ابراهیم راستاد فردین موسیوند

introduction the mn mineralization occurs in the northeastern segment of the sabzevar zone (sz), north of the central iranian microcontinent (cim). this zone (sz) is located between the cim fragmentation in the south and the kopeh dagh sedimentary sequence in the north. the ore deposits of the northeastern segment of the sabzevar zone can be divided into three groups, each with different metal ...

The earthquake is a natural disaster that damages structure and lifeline and is simply inserted into human artifacts. For this reason the structures and lifeline, earthquake loads shall estimate and in order to provide its design.in Iran earthquake, risk of natural disasters is dominant. It should be noted that Iran in recent years, an earthquake with a magnitude of 7.5 Richter scale or more fr...

Journal: :فیزیک زمین و فضا 0
احمد سدیدخوی استادیار،گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران، ایران زهرا علیخانی دانش آموخته کارشناسی ارشد ژئوفیزیک (زلزله شناسی)، دانشگاه آزاد اسلامی، واحد علوم تحقیقات، تهران، ایران فروغ صدودی پژوهشگر، مؤسسه تحقیقاتی علوم زمین پتسدام، آلمان

iran is located in a roughly triangular deforming region, consisting of relatively undeformed shield areas to the southwest (arabia) and northeast and the more recently deformed, though currently inactive, southwest afghanistan block in the east. the current geological and tectonic setting of iran is due to the ongoing convergence between the arabian and eurasian plates, which resulted in the f...

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