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| 1 | Geochemistry of Carboniferous Sandstones (Sardar Formation), East-Central Iran: Implication for Provenance and Tectonic Setting显示文摘Geochemical analysis of sandstones from the Sardar Formation (from two stratigraphic successions) in east-central Iran were used for identification of geochemical characterization of sandstones, provenance and tectonic setting. Sandstones in the two lithostratigraphic successions have similar chemical compositions suggesting a common provenance. Bulk-rock geochemistry analysis of Carboniferous sandstones from Sardar Formation indicates that they are mainly quartz dominated and are classified as quartzarenites, sublitharenites and subarkoses, derived from acid igneous to intermediate igneous rocks. Discrimination function analysis indicates that the sandstones of Sardar Formation were derived from quartzose sedimentary provenance in a recycled orogenic setting. Also, major and trace elements in sandstones of Sardar Formation (e.g., K 2 O/Na 2 O vs. SiO 2 ) indicate deposition in a stable passive continental margin (PM). Chemical index of alteration (CIA) for these rocks (>65%) suggests a moderate to relatively high degree of weathering in the source area. | Mohammad KHANEHBAD Reza MOUSSAVI-HARAMI Asadollah MAHBOUBI Mehdi NADJAFI Mohammad Hosein MAHMUDY GHARAIE | 2012 | Acta Geologica Sinica(English Edition)2012，86，5： | 7 |
| 2 | Facies Analysis and Sequence Stratigraphy of Silurian Carbonate Ramps in the Turan(Kopeh-Dagh) and Central Iran Plates with Emphasis on Gondwana Tectonic Event显示文摘Two sections from the Silurian deposits in the Central Iran Micro and Turan Plates were measured and sampled. These deposits are mostly composed of submarine volcanic rocks, skeletal and non-skeletal limestone, shale and sandstone that were deposited in low to high energy conditions(from tidal flat to deep open marine). According to gradual deepening trend, wide lateral distribution of facies as well as absence of resedimentation deposits, a depositional model of a homoclinal ramp was proposed for these deposits. Field observations and facies distribution indicate that, two depositional sequences were recognized in both sections. These sections show similarities in facies and depositional sequence during the Early Silurian in the area. Although there are some opinions and evidences that demonstrated Paleo-Tethys rifting phase started at the Late Ordovician-Early Silurian, similarities suggest that the Turan and Iran Plates were not completely detached tectonic block during this time, and that their depositional conditions were affected by global sea level changes and tectonic events. | Zohreh NOWROUZI Asadollah MAHBOUBI Reza MOUSSAVI-HARAMI Mohammad Hossein MAHMUDY GHARAIE Farzin GHAEMI | 2015 | Acta Geologica Sinica(English Edition)2015，89，4： | 2 |
| 3 | Improved properties of A319 aluminum casting alloy modified with Zr显示文摘 | MAHMUDI R SEPEHRBAND P GHASEMI H M | 2006 | Materials Letters2006，60，： | 1 |
| 4 | Effects of Sb additions on the microstructure and impression creep behavior of a cast Mg-SSn alloy显示文摘 | Nayyeri G Mahmudi R | 2010 | Mater Sci Eng A2010，，： | 1 |
| 5 | The microstructure, creep resistance, and high-temperature mechanical properties of Mg-SSn alloy with Ca and Sb additions, and aging treatment 显示文摘 | Nayyeri G Mahmudi R Salehi F | 2010 | Mater Sci Eng A2010，527，： | 1 |
| 6 | Effects of Sn additions on the microstructure and impression creep behavior of AZ91 magnesium alloy显示文摘 | MAHMUDI R MOEENDARBARI S | 2013 | Materials Science and Engineering A2013，566，： | 1 |
| 7 | Effects of Sb addition on the modification of Mg 2 Si particles and high-temperature mechanical properties of cast Mg–4Zn–2Si alloy显示文摘 | R. Alizadeh R. Mahmudi | 2011 | Journal of Alloys and Compounds2011，，37： | 1 |
| 8 | Effects of rare-earth elements and Ca additions on the microstructure and mechanical properties of AZ31 magnesium alloy processed by ECAP显示文摘 | Masoudpanah S M Mahmudi R | 2009 | Materials Science and Engineering A2009，526，12： | 1 |
| 9 | Improved properties of A319 aluminum casting alloy modified with Zr显示文摘 | R. Mahmudi P. Sepehrband H.M. Ghasemi | 2006 | Materials Letters2006，，21： | 1 |
| 10 | Constitutive analysis and processing map of an extruded Mg-3Gd-lZn alloy under hot shear deformation 显示文摘 | SAREBANZADEH M MAHMUDI R ROUMINA R | 2015 | Mater Sci Eng A2015，18，15： | 1 |
| 11 | Effect of A12Oa nano-particles on the microstructural stability of AZ31 Mg alloy after equal chan- nel angular pressing 显示文摘 | Radi Y Mahmudi R | 2010 | Mater Sci Eng A2010，527，10： | 1 |
| 12 | Effect of cryogenic treatments on the mechanical peoperties and wear behavior of high-speed M2 显示文摘 | Mahmudi R Ghasemi H M Faradji H R | 2000 | Heat Treatment of Metals (UK)2000，27，3： | 1 |
| 13 | Investigation of stress exponent in the power-lawcreep of Pb-Sb alloys显示文摘 | ROUMINA R RAEISINIA B | 2004 | Materials Science and Engineering A2004，382，： | 1 |
| 14 | A novel method for materials selection in mechanical design:Combination of non-linear normalization and a modified digital logic method显示文摘 | DEHGHAN Manshadi B MAHMUDI H ABEDIAN A | 2007 | Material and Design2007，28，： | 1 |
| 15 | Optimizing homoge- nization parameters for better stretch formability in an AI-Mn-Mg alloy sheet显示文摘 | Aghaie-Khafri M Mahmudi R | 2005 | Materials Science and Engineering A2005，399，： | 1 |
| 16 | Effect of Mn and Sr on intermetallics in Fe-rich eutectic Al-Si alloy显示文摘 | SHABESTARl S MAHMUDI T EMAMY M CAMPBELL T | 2002 | International Journal of Cast Metals Research2002，15，： | 1 |
| 17 | Hot shear deformation constitutive analysis and processing map of extruded Mg-12Li-lZn BCC alloy显示文摘 | KARAMI M MAHMUDI R | 2014 | Materials and Design2014，53，： | 1 |
| 18 | Effect of Ag addition on the elevated-temperature mechanical properties of an extruded highstrength Mg-Gd-Y-Zr alloy 显示文摘 | Movahedi-Rad A Mahmudi R | 2014 | Materials Science & Engineering A2014，614，： | 1 |
| 19 | Effect of Ca additions on the micro- structure, thermal stability and mechanical properties of a east AM60 magnesium alloy 显示文摘 | KONDORI B MAHMUDI R | 2010 | Materials Science and Engineering2010，527，： | 1 |
| 20 | Impression creep of hypoeutectic Sn-Zn lead-free solderalloys显示文摘 | MAHMUDI R GERANMAYEH A R NOORI H SHAHABI M | 2008 | Materials Science and Engineering A2008，491，12： | 1 |
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