Comparing Pb isotopic composition of Kuhe Surmeh deposit with some of the Pb-Zn deposits from Central Iran and evaluating the role of Neo-Tethys in Pb remobilization in Central Iran | ||
| مجله علوم دانشگاه تهران (منتشر نمی شود) | ||
| Article 2, Volume 36, Issue 1 - Serial Number 330101, December 2010 PDF (392.02 K) | ||
| Authors | ||
| fatemeh Molasalehi; hasan mirnejad | ||
| Abstract | ||
| n order to determine the source of Pb in a number of Pb–Zn deposits in Iran, Pb isotope ratios of galena in five Pb–Zn deposits with carbonate host rock, located in Central Iran zone and Zagros folded belt, have been measured. Pb isotopic ratios of Kuhe Surmeh deposit from Zagros folded belt, in northeastern of Arabian plate, has the least ratios of 206Pb/204Pb (18.062) and 208Pb/204Pb (38.230). Considering Pb model age (585 Ma) and high values of 207Pb/206Pb (0.8683) and 208Pb/206Pb (2.117) and thus significant contribution of original basement rocks in providing Pb for these deposits, it can be inferred that lead and other metals were derived from the Iranian basement that was metamorphosed and consolidated in late Precambrian. | ||
| Keywords | ||
| Central Iran; Lead Isotope; Lead–Zinc Deposit; orogenic; Zagros Folded Belt | ||
|
Statistics Article View: 2,025 PDF Download: 2,854 |
||