Latest Early Permian granitic magmatism in southern Inner Mongolia, China: Implications for the tectonic evolution of the southeastern Central Asian Orogenic Belt

Abstract Latest Early Permian (277–275 Ma) magmatic episode is one of the most important tectono-magmatic events in southeastern Central Asian Orogenic Belt (CAOB), recording a tectonic transition from accretionary to post-accretionary evolution of the Paleo-Asian Ocean. The latest Early Permian granitoids along the Solonker suture zone in southern Inner Mongolia were emplaced between 275 Ma and 277 Ma as determined by SHRIMP zircon U–Pb dating. They are characterized by variable alkali contents, a range from calcic to slightly alkalic compositions, and are magnesian I-type granitoids. Their eNd(t) values from − 0.4 to + 3.1 record predominantly juvenile crustal sources with moderate involvement of old crustal components. Furthermore, these granitoids show positive zircon eHf(t) values of + 7.6 to + 10.7 that are also indicative of predominantly juvenile nature. Their high zircon δ18O values of 6.29‰ to 8.13‰, suggest significant involvement of supracrustal materials in their generation. These characteristics imply they were derived from an already hybrid andesitic magma in active continental margin. The resultant composite magmas were finally attached (relaminated) to the lower crust, where they produced segregated melt, to rise with minor assimilation of supracrustal materials, and to form these granitic plutons. The outboard migration of continental arc in response to slab roll-back, from the Late Carboniferous to the latest Early Permian, and tectonic switching from this prolonged extension to the short-lived contraction resulting from slab break-off and final amalgamation of the southeastern CAOB in the Middle-Late Permian lead to efficient continental growth in the southeastern CAOB.

[1]  D. Grégoire,et al.  Determination of Trace Elements in Twenty Six Chinese Geochemistry Reference Materials by Inductively Coupled Plasma‐Mass Spectrometry , 2000 .

[2]  F. Neubauer,et al.  Provenance analysis of Permian sandstones in the central and southern Da Xing'an Mountains, China: Constraints on the evolution of the eastern segment of the Central Asian Orogenic Belt , 2012 .

[3]  Yuan-lin Sun,et al.  Depleted-mantle source for the Ulungur River A-type granites from North Xinjiang, China: geochemistry and Nd–Sr isotopic evidence, and implications for Phanerozoic crustal growth , 1997 .

[4]  A. Şengör,et al.  Evolution of the Altaid tectonic collage and Palaeozoic crustal growth in Eurasia , 1993, Nature.

[5]  Yue-heng Yang,et al.  Petrogenesis and tectonic significance of the ~850 Ma Gangbian alkaline complex in South China: Evidence from in situ zircon U-Pb dating, Hf-O isotopes and whole-rock geochemistry , 2010 .

[6]  A. Glazner,et al.  Voluminous granitic magmas from common basaltic sources , 2005 .

[7]  Q. Zhang,et al.  Time scale of an early to mid-Paleozoic orogenic cycle of the long-lived Central Asian Orogenic Belt, Inner Mongolia of China: Implications for continental growth , 2008 .

[8]  Xiaohui Zhang,et al.  Early Permian A-type granites from central Inner Mongolia, North China: Magmatic tracer of post-collisional tectonics and oceanic crustal recycling , 2015 .

[9]  A. White,et al.  Low- and high-temperature granites , 2004, Earth and Environmental Science Transactions of the Royal Society of Edinburgh.

[10]  D. Yuen,et al.  Dynamical causes for incipient magma chambers above slabs , 2004 .

[11]  R. Korsch,et al.  of a trace-element-related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards , 2004 .

[12]  E. Watson,et al.  Dehydration melting of metabasalt at 8-32 kbar : Implications for continental growth and crust-mantle recycling , 1995 .

[13]  W. Collins.  Hot orogens, tectonic switching, and creation of continental crust , 2002 .

[14]  R. Seltmann,et al.  Hercynian post-collisional magmatism in the context of Paleozoic magmatic evolution of the Tien Shan orogenic belt , 2011 .

[15]  P. Kelemen,et al.  Differentiation of the continental crust by relamination , 2011 .

[16]  E. Khain,et al.  The most ancient ophiolite of the Central Asian fold belt: U–Pb and Pb–Pb zircon ages for the Dunzhugur Complex, Eastern Sayan, Siberia, and geodynamic implications , 2002 .

[17]  A. K. Baird,et al.  Petrology and tectonics of Phanerozoic continent formation: From island arcs to accretion and continental arc magmatism , 2007 .

[18]  A. Castro.  Tonalite–granodiorite suites as cotectic systems: A review of experimental studies with applications to granitoid petrogenesis , 2013 .

[19]  P. Wyllie,et al.  Dehydration-melting of amphibolite at 10 kbar: the effects of temperature and time , 1994 .

[20]  Bin Chen,et al.  Two contrasting paleozoic magmatic belts in northern Inner Mongolia, China: petrogenesis and tectonic implications , 2000 .

[21]  A. Castro.  The off-crust origin of granite batholiths , 2014 .

[22]  T. Gerya,et al.  Generation of new continental crust by sublithospheric silicic-magma relamination in arcs: A test of Taylor's andesite model , 2013 .

[23]  T. Gerya,et al.  Melting Relations of MORB–Sediment Mélanges in Underplated Mantle Wedge Plumes; Implications for the Origin of Cordilleran-type Batholiths , 2010 .

[24]  Wenliang Xu,et al.  Spatial–temporal relationships of Mesozoic volcanic rocks in NE China: Constraints on tectonic overprinting and transformations between multiple tectonic regimes , 2013 .

[25]  K Norrish,et al.  An accurate X-ray spectrographic method for the analysis of a wide range of geological samples , 1969 .

[26]  Brian F. Windley,et al.  The Altaids of Central Asia: A tectonic and evolutionary innovative review , 2012 .

[27]  Zhong Zhang,et al.  A late-Carboniferous to early early-Permian subduction–accretion complex in Daqing pasture, southeastern Inner Mongolia: Evidence of northward subduction beneath the Siberian paleoplate southern margin , 2013 .

[28]  S. Wilde,et al.  Geochemistry of Permian bimodal volcanic rocks from Central Inner Mongolia, North China: Implication for Tectonic setting and Phanerozoic continental growth in Central Asian Orogenic Belt , 2008 .

[29]  T. Rushmer.  Partial melting of two amphibolites: contrasting experimental results under fluid-absent conditions , 1991 .

[30]  J. Rogers,et al.  Late Carboniferous to Permian Sedimentation in Inner Mongolia, China, and Tectonic Relationships between North China and Siberia , 1991, The Journal of Geology.

[31]  Bin Chen,et al.  Evolution of the Solonker suture zone: Constraints from zircon U–Pb ages, Hf isotopic ratios and whole-rock Nd–Sr isotope compositions of subduction- and collision-related magmas and forearc sediments , 2009 .

[32]  Yue-heng Yang,et al.  Hf isotopic compositions of the standard zircons and baddeleyites used in U–Pb geochronology , 2006 .

[33]  S. Wilde,et al.  Geochronology, petrogenesis and tectonic implications of Jurassic granites in the Liaodong Peninsula, NE China , 2005 .

[34]  Dunyi Liu,et al.  Palaeozoic arc magmatism in the Central Asian Orogenic Belt of Kazakhstan: SHRIMP zircon ages and whole-rock Nd isotopic systematics , 2008 .

[35]  S. Wilde,et al.  Triassic sedimentation and postaccretionary crustal evolution along the Solonker suture zone in Inner Mongolia, China , 2014 .

[36]  B. Windley,et al.  Palaeozoic accretionary and convergent tectonics of the southern Altaids: implications for the growth of Central Asia , 2004, Journal of the Geological Society.

[37]  C. Yuan,et al.  Accretionary orogenesis of the Chinese Altai: Insights from Paleozoic granitoids , 2007 .

[38]  Li Qun.  LA-ICP-MS ZIRCON U-PB DATING OF MIGMATITE FROM NORTH SHUANGJING SCHIST IN LINXI,INNER MONGOLIA , 2008 .

[39]  T. Gerya,et al.  Geodynamic regimes of subduction under an active margin: effects of rheological weakening by fluids and melts , 2011 .

[40]  A. M. Larin,et al.  Isotope provinces, mechanisms of generation and sources of the continental crust in the Central Asian mobile belt: geological and isotopic evidence , 2004 .

[41]  Brian F. Windley,et al.  Tectonic models for accretion of the Central Asian Orogenic Belt , 2007, Journal of the Geological Society.

[42]  E. B. Sal’nikova,et al.  Geology, Geochronology, and Geodynamics of the Khan Bogd alkali granite pluton in southern Mongolia , 2006 .

[43]  S. Wilde,et al.  Early Permian high-K calc-alkaline volcanic rocks from NW Inner Mongolia, North China: geochemistry, origin and tectonic implications , 2011, Journal of the Geological Society.

[44]  W. Xiao,et al.  The western Central Asian Orogenic Belt: A window to accretionary orogenesis and continental growth , 2014 .

[45]  C. M. Gray,et al.  Magmatic and Crustal Differentiation History of Granitic Rocks from Hf-O Isotopes in Zircon , 2007, Science.

[46]  Tao Wang,et al.  Early Permian post-collisional high-K granitoids from Liuyuan area in southern Beishan orogen, NW China: Petrogenesis and tectonic implications , 2013 .

[47]  C. Miller,et al.  Hot and cold granites? Implications of zircon saturation temperatures and preservation of inheritance , 2003 .

[48]  B. Windley,et al.  A new terrane subdivision for Mongolia: implications for the Phanerozoic crustal growth of Central Asia , 2002 .

[49]  Tao Wang,et al.  Reassessment of continental growth during the accretionary history of the Central Asian Orogenic Belt , 2014 .

[50]  J. Miller,et al.  Hafnium isotope characterization of the GJ-1 zircon reference material by solution and laser-ablation MC-ICPMS , 2008 .

[51]  Tao Wang,et al.  Evolution, source and tectonic significance of Early Mesozoic granitoid magmatism in the Central Asian Orogenic Belt (central segment) , 2013 .

[52]  Calvin G. Barnes,et al.  A Geochemical Classification for Granitic Rocks , 2001 .

[53]  A. Benedicto,et al.  Late Paleozoic–Mesozoic tectonic evolution of the Trans-Altai and South Gobi Zones in southern Mongolia based on structural and geochronological data , 2014 .

[54]  M. Brown,et al.  Granite: From genesis to emplacement , 2012 .

[55]  E. Watson,et al.  Partial melting of amphibolite/eclogite and the origin of Archean trondhjemites and tonalites , 1991 .

[56]  Bin Chen,et al.  Genesis of post-collisional granitoids and basement nature of the Junggar Terrane, NW China: Nd–Sr isotope and trace element evidence , 2004 .

[57]  J. Charvet,et al.  Middle Paleozoic convergent orogenic belts in western Inner Mongolia (China): framework, kinematics, geochronology and implications for tectonic evolution of the Central Asian Orogenic Belt , 2013 .

[58]  C. Hawkesworth,et al.  Episodic growth of the Gondwana supercontinent from hafnium and oxygen isotopes in zircon , 2006, Nature.

[59]  B. Windley,et al.  Delamination/thinning of sub-continental lithospheric mantle under Eastern China: The role of water and multiple subduction , 2010, American Journal of Science.

[60]  S. Wilde,et al.  The crustal accretion history and tectonic evolution of the NE China segment of the Central Asian Orogenic Belt , 2013 .

[61]  Tao Wang,et al.  Geochronology, petrogenesis and tectonic implications of Triassic granitoids from Beishan, NW China , 2012 .

[62]  C. Yuan,et al.  End-Permian to mid-Triassic termination of the accretionary processes of the southern Altaids: implications for the geodynamic evolution, Phanerozoic continental growth, and metallogeny of Central Asia , 2009 .

[63]  B. Frost,et al.  A Geochemical Classification for Feldspathic Igneous Rocks , 2008 .

[64]  B. Windley,et al.  Accretion leading to collision and the Permian Solonker suture, Inner Mongolia, China: Termination of the central Asian orogenic belt , 2003 .

[65]  Cin-Ty A. Lee,et al.  The development and refinement of continental arcs by primary basaltic magmatism, garnet pyroxenite accumulation, basaltic recharge and delamination: insights from the Sierra Nevada, California , 2006 .

[66]  Hua Zhang,et al.  Permian stratigraphy and correlation of Northeast China: A review , 2006 .

[67]  J. Wijbrans,et al.  Tectonic significance of the Xilin Gol Complex, Inner Mongolia, China: petrological, geochemical and U-Pb zircon age constraints , 2011 .

[68]  R. Ernst,et al.  Intraplate geodynamics and magmatism in the evolution of the Central Asian Orogenic Belt , 2014 .

[69]  K. Ludwig.  User's Manual for Isoplot 3.00 - A Geochronological Toolkit for Microsoft Excel , 2003 .

[70]  Bin Chen,et al.  Granitoids of the Central Asian Orogenic Belt and continental growth in the Phanerozoic , 2000, Earth and Environmental Science Transactions of the Royal Society of Edinburgh.

[71]  J. Clemens.  Element concentrations in granitic magmas: ghosts of textures past? , 2013, Journal of the Geological Society.

[72]  Z. Tian,et al.  Laser ablation-MC-ICP-MS technique for Hf isotope microanalysis of zircon and its geological applications. , 2007 .

[73]  Dunyi Liu,et al.  Evolution of a Permian intraoceanic arc-trench system in the Solonker suture zone, Central Asian Orogenic Belt, China and Mongolia , 2010 .

[74]  Dunyi Liu,et al.  Emplacement age and tectonic implications of the Xilinhot A-type granite in Inner Mongolia, China , 2004 .

[75]  B. Natalin,et al.  Phanerozoic continental growth in Central Asia , 2004 .

[76]  W. McDonough,et al.  Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes , 1989, Geological Society, London, Special Publications.

[77]  Liu Jianfeng,et al.  Geochemical Characteristics and Geological Significance of Early Permian Baya'ertuhushuo Gabbro in South Great Xing'an Range , 2011 .

[78]  Wei Liu,et al.  Petrogenesis of the Linxi granitoids, northern Inner Mongolia of China: constraints on basaltic underplating , 2005 .

[79]  M. Whitehouse,et al.  Plesovice zircon : A new natural reference material for U-Pb and Hf isotopic microanalysis , 2008 .

[80]  S. Wilde,et al.  Geochronology of the Phanerozoic granitoids in northeastern China , 2011 .

[81]  B. Scaillet,et al.  Phase equilibrium constraints on the viscosity of silicic , 1998 .

[82]  K. Mezger,et al.  Calibration of the Lutetium-Hafnium Clock , 2001, Science.

[83]  Wei Liu,et al.  Massive granitoid production without massive continental-crust growth in the Chinese Altay: Insight into the source rock of granitoids using integrated zircon U-Pb age, Hf-Nd-Sr isotopes and geochemistry , 2012, American Journal of Science.

[84]  C. German,et al.  Hf isotope ratio analysis using multi-collector inductively coupled plasma mass spectrometry: an evaluation of isobaric interference corrections , 2002 .

[85]  W. Griffin,et al.  Granitoid events in space and time: Constraints from igneous and detrital zircon age spectra , 2009 .

[86]  M. Santosh,et al.  Accretionary complexes in the Asia-Pacific region: Tracing archives of ocean plate stratigraphy and tracking mantle plumes , 2014 .

[87]  Tao Wang,et al.  Incremental growth and origin of the Cretaceous Renjiayingzi pluton, southern Inner Mongolia, China: Evidence from structure, geochemistry and geochronology , 2013 .

[88]  T. Gerya,et al.  Numerical modeling of geochemical variations caused by crustal relamination , 2013 .

[89]  A. P. Douce,et al.  What do experiments tell us about the relative contributions of crust and mantle to the origin of granitic magmas , 1999 .

[90]  Xiaohong Wang,et al.  Triassic high-Mg adakitic andesites from Linxi, Inner Mongolia: Insights into the fate of the Paleo-Asian ocean crust and fossil slab-derived melt–peridotite interaction , 2012 .

[91]  K. Condie,et al.  The building blocks of continental crust: Evidence for a major change in the tectonic setting of continental growth at the end of the Archean , 2013 .

[92]  J. Li.  Permian geodynamic setting of Northeast China and adjacent regions: closure of the Paleo-Asian Ocean and subduction of the Paleo-Pacific Plate , 2006 .

[93]  J. Valley.  Oxygen Isotopes in Zircon , 2003 .

[94]  F. Corfu,et al.  Zircon M257 ‐ a Homogeneous Natural Reference Material for the Ion Microprobe U‐Pb Analysis of Zircon , 2008 .

[95]  T. Gerya,et al.  Geodynamic regimes of intra-oceanic subduction: Implications for arc extension vs. shortening processes , 2014 .

[96]  Dunyi Liu,et al.  Paleozoic multiple subduction-accretion processes of the southern Altaids , 2009, American Journal of Science.

[97]  Li Jin,et al.  Shuangjingzi middle Triassic syn-collisional crust-derived granite in the east Inner Mongolia and its constraint on the timing of collision between Siberian and Sino-Korean paleo-plates. , 2007 .

[98]  Peter A. Cawood,et al.  Accretionary orogens through Earth history , 2009 .

[99]  Wei Liu,et al.  Three-step continental-crust growth from subduction accretion and underplating, through intermediary differentiation, to granitoid production , 2009 .

[100]  A. Quadt,et al.  Restoring the Silurian to Carboniferous northern active continental margin of the Mongol–Okhotsk Ocean in Mongolia: Hangay–Hentey accretionary wedge and seamount collision , 2014 .