مشخصات پژوهش

عنوان	A Jurassic volcanic passive margin in Iran and Turkey
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	Jurassic magmatism; Iran; Turkey
چکیده	Broadly similar Early to Middle Jurassic stratigraphic sequences including bimodal igneous rocks of the Sanandaj–Sirjan Zone of Iran and the Sakarya Zone of Turkey suggest that these formed in a common tectonic setting in an extensional basin that evolved from a terrestrial magmatic rift to a marine shelf and passive continental mar- gin. Whole-rock chemistry and Sr–Nd isotope signatures indicate derivation of mafic melts from partial melting of the subcontinental lithosphere. Decompression associ- ated with extension led to 5%–30% partial melting of spinel–garnet lherzolite with minor involvement of continental crust, producing tholeiitic to transitional basaltic magma. Extensional basins inverted during the Mid-Late Jurassic. These relationships suggest the Early to Middle Jurassic formation of a volcanic rifted margin on the SW Eurasian margin, similar to that of offshore Norway.
پژوهشگران	اورهان کارسلی (نفر چهارم)، رایف کاندمیر (نفر سوم)، رابرت جی استرن (نفر دوم)، حاجی حسین عزیزی (نفر اول)