Phanerozoic amalgamation of the Alxa Block and North China Craton: Evidence from Paleozoic granitoids, U–Pb geochronology and Sr–Nd–Pb–Hf–O isotope geochemistry

Andersen, 2002, Correction of common lead in U–Pb analyses that do not report 204Pb, Chemical Geology, 192, 59, 10.1016/S0009-2541(02)00195-X Appleby, 2008, A cryptic record of magma mixing in diorites revealed by high-precision SIMS oxygen isotope analysis of zircons, Earth and Planetary Science Letters, 269, 105, 10.1016/j.epsl.2008.02.006 Atherton, 1993, Generation of sodium-rich magmas from newly underplated basaltic crust, Nature, 362, 144, 10.1038/362144a0 Belousova, 2002, Igneous zircon: trace element composition as an indicator of source rock type, Contributions to Mineralogy and Petrology, 143, 602, 10.1007/s00410-002-0364-7 Bindeman, 2004, Volcanic arc of Kamchatka: a province with high-δ18O magma sources and large-scale 18O/16O depletion of the upper crust, Geochimica et Cosmochimica Acta, 68, 841, 10.1016/j.gca.2003.07.009 Bleeker, 2003, The late Archean record: a puzzle in ca. 35 pieces, Lithos, 71, 99, 10.1016/j.lithos.2003.07.003 Castillo, 1999, Petrology and geochemistry of Camiguin Island, southern Philippines: insights to the source of adakites and other lavas in a complex arc setting, Contributions to Mineralogy and Petrology, 134, 33, 10.1007/s004100050467 Cavosie, 2011, The origin of high δ18O zircons: marbles, megacrysts, and metamorphism, Contributions to Mineralogy and Petrology, 162, 961, 10.1007/s00410-011-0634-3 Chen, 2010, Redefinition of Upper Triassic strata on the northern margin of Alxa Block; constraints from laser ICP-MS detrital zircon U–Pb ages, Acta Petrologica et Mineralogica, 29, 258 Chen, 2014, Metamorphism and geochronology for the Baoyintu Group in middle-western Inner Mongolia, 2152 Chung, 2003, Adakites from continental collision zones: melting of thickened lower crust beneath southern Tibet, Geology, 31, 1021, 10.1130/G19796.1 Dan, 2011 Dan, 2012, Paleoproterozoic evolution of the eastern Alxa Block, westernmost North China: evidence from in situ zircon U–Pb dating and Hf–O isotopes, Gondwana Research, 21, 838, 10.1016/j.gr.2011.09.004 Dan, 2014, Neoproterozoic S-type granites in the Alxa Block, westernmost north China and tectonic implications: in-situ zircon U–Pb–Hf–O isotopic and geochemical constraints, American Journal of Sciences, 314, 110 Dan, 2014, The Early Permian (ca. 280Ma) silicic igneous province in Alxa Block, NW China: a magmatic flare-up triggered by a mantle-plume?, Lithos, 204, 144, 10.1016/j.lithos.2014.01.018 Decelles, 2012, Chapter 20, Foreland basin systems revisited: variations in response to tectonic settings, 405 Defant, 1990, Derivation of some modern arc magmas by melting of young subducted lithosphere, Nature, 347, 662, 10.1038/347662a0 Defant, 2002, Adakites: some variations on a theme, Acta Petrologica Sinica, 18, 129 Dong, 2007, Palaeoproterozoic Khondalite Belt in the western North China Craton: new evidence from SHRIMP dating and Hf isotope composition of zircons from metamorphic rocks in the Bayan Ul–Helan Mountains area, Chinese Science Bulletin, 52, 2984, 10.1007/s11434-007-0404-9 Du, 2004, From the back-arc basin to foreland basin—Ordovician–Devonian sedimentary basin and tectonic evolution in the North Qilian orogenic belt, Geological Bulletin of China, 23, 911 Eiler, 1998, Oxygen isotope evidence for slab-derived fluids in the sub-arc mantle, Nature, 393, 777, 10.1038/31679 Eiler, 2007, Oxygen-isotope and trace element constraints on the origins of silica-rich melts in the subarc mantle, Geochemistry, Geophysics, Geosystems, 8, Q09012, 10.1029/2006GC001503 Geng, 2010, Late-Paleoproterozoic tectonothermal events of the metamorphic basement in Alxa area: evidence from geochronology, Acta Petrologica Sinica, 26, 1159 Gong, 2012, The ~2.5Ga TTG in the western Alxa Block and its geological significance, Science China Bulletin, 57, 2715 Guo, 2007, Generation of Palaeocene adakitic andesites by magma mixing, Yanji Area, NE China, Journal of Petrology, 48, 661, 10.1093/petrology/egl077 Hart, 1984, A large-scale isotope anomaly in the southern hemisphere mantle, Nature, 309, 753, 10.1038/309753a0 He, 2011, Post-collisional granitoids from the Dabie orogen: new evidence for partial melting of a thickened continental crust, Geochimica et Cosmochimica Acta, 75, 3815, 10.1016/j.gca.2011.04.011 Hou, 2008, Configuration of the Late Paleoproterozoic supercontinent Columbia: insights from radiating mafic dyke swarms, Gondwana Research, 14, 395, 10.1016/j.gr.2008.01.010 Huang, 1999, Early Paleozoic paleomagnetic poles from the western part of the North China Block and their implications, Tectonophysics, 308, 377, 10.1016/S0040-1951(99)00098-0 Huang, 2000, Preliminary result and its tectonic implications of Middle Cambrian paleomagnetism in the Alashan and Hexi Corridor terrane, Chinese Journal of Geophysics, 43, 393, 10.1002/cjg2.52 Jackson, 2004, The application of laser ablation-inductively coupled plasma-mass spectrometry to in situ U–Pb zircon geochronology, Chemical Geology, 211, 47, 10.1016/j.chemgeo.2004.06.017 Jahn, 1999, Crust–mantle interaction induced by deep subduction of the continental crust: geochemical and Sr–Nd isotopic evidence from post-collisional mafic–ultramafic intrusions of the northern Dabie complex, central China, Chemical Geology, 157, 119, 10.1016/S0009-2541(98)00197-1 Johnson, 1997, Petrology, geochemistry, and genesis of high-Al tonalite and trondhjemites of the Cornucopia Stock, Blue Mountains, Northeastern Oregon, Journal of Petrology, 38, 1585, 10.1093/petroj/38.11.1585 Karsli, 2010, Generation of the Early Cenozoic adakitic volcanism by partial melting of mafic lower crust, Eastern Turkey: implications for crustal thickening to delamination, Lithos, 114, 109, 10.1016/j.lithos.2009.08.003 Kay, 1993, Evidence in Cerro Pampa volcanic rocks of slab melting prior to ridge trench collision in southern South America, The Journal of Geology, 101, 703, 10.1086/648269 Kemp, 2007, Magmatic and crustal differentiation history of granitic rocks from Hf–O isotopes in zircon, Science, 315, 980, 10.1126/science.1136154 Kusky, 2003, Paleoproterozoic tectonic evolution of the North China Craton, Journal of Asian Earth Sciences, 22, 383, 10.1016/S1367-9120(03)00071-3 Kusky, 2009, The Columbia connection in North China, Geological Society of London, Special Publication, 323, 49, 10.1144/SP323.3 Kusky, 2007, The Paleoproterozoic North Hebei Orogen: North China Craton's collisional suture with the Columbia supercontinent, Gondwana Research, 12, 4, 10.1016/j.gr.2006.11.012 Lackey, 2005, Supracrustal input to magmas in the deep crust of Sierra Nevada batholith: evidence from high-O zircon, Earth and Planetary Science Letters, 235, 315, 10.1016/j.epsl.2005.04.003 Li, 2006 Li, 2013, Links between Mesozoic intermediate-felsic igneous rocks and lower crustal granulite xenoliths, North China Craton: O and Pb isotopic evidence, International Geology Review, 55, 442, 10.1080/00206814.2012.721508 Li, 1999, Time limit of collision event of collision orogens, Acta Petrologica Sinica, 15, 315 Li, 2000, Geochemical and Sm–Nd isotopic study of amphibolites in the Cathaysia Block, southeastern China: evidence for an extremely depleted mantle in the Paleoproterozoic, Precambrian Research, 102, 251, 10.1016/S0301-9268(00)00067-X Li, 2003, Neoproterozoic granitoids in South China: crustal melting above a mantle plume at ca. 825Ma?, Precambrian Research, 122, 45, 10.1016/S0301-9268(02)00207-3 Li, 2004, Precise Sm–Nd and U–Pb isotopic dating of the supergiant Shizhuyuan polymetallic deposit and its host granite, SE China, Geological Magazine, 141, 225, 10.1017/S0016756803008823 Li, 2005, Petrogenesis of the Neoproterozoic bimodal volcanic rocks along the western margin of the Yangtze Block: new constraints from Hf isotopes and Fe/Mn ratios, Chinese Science Bulletin, 50, 2481, 10.1360/982005-287 Li, 2009, Role of mantle-derived magma in genesis of early Yanshanian granites in the Nanling Range, South China: in situ zircon Hf–O isotopic constraints, Science in China Series D: Earth Sciences, 52, 1262, 10.1007/s11430-009-0117-9 Li, 2010, Petrogenesis and tectonic significance of the similar to 850Ma Gangbian alkaline complex in South China: evidence from in situ zircon U–Pb dating, Hf–O isotopes and whole-rock geochemistry, Lithos, 114, 1, 10.1016/j.lithos.2009.07.011 Li, 2010, Penglai zircon megacrysts: a potential new working reference material for microbeam determination of Hf–O isotopes and U–Pb age, Geostandards and Geoanalytical Research, 34, 117, 10.1111/j.1751-908X.2010.00036.x Li, 2012, Amalgamation of North China Craton with Alxa Block in the Late of Early Paleozoic: evidence from sedimentary sequences in the Niushou mountain, Ningxia Hui Autonomous Region, NW China, Geological Review, 58, 208 Liu, 1992, Remnants of ≥3800Ma crust in the Chinese part of the Sino-Korean Craton, Geology, 20, 339, 10.1130/0091-7613(1992)020<0339:ROMCIT>2.3.CO;2 Liu, 2004, U–Pb zircon ages and Nd, Sr, and Pb isotopes of lower crustal xenoliths from North China Craton: insights on evolution of lower continental crust, Chemical Geology, 211, 87, 10.1016/j.chemgeo.2004.06.023 Liu, 2010, Continental and oceanic crust recycling-induced melt-peridotite interactions in the Trans-North China Orogen: U–Pb dating, Hf isotopes and trace elements in zircons from mantle xenoliths, Journal of Petrology, 51, 537, 10.1093/petrology/egp082 Liu, 2014, A ‘hidden’ 18O-enriched reservoir in the sub-arc mantle, Scientific Reports, 4, 4232, 10.1038/srep04232 Ludwig, 2003, 4 Macpherson, 2006, Adakites without slab melting: high pressure differentiation of island arc magma, Mindanao, the Philippines, Earth and Planetary Science Letters, 243, 581, 10.1016/j.epsl.2005.12.034 Martin, 2005, An overview of adakite, tonalite–trondhjemite–granodiorite (TTG), and sanukitoid: relationships and some implications for crustal evolution, Lithos, 79, 1, 10.1016/j.lithos.2004.04.048 Martin, 2011, The origin of high-Mg magmas in Mt Shasta and Medicine Lake volcanoes, Cascade Arc (California): higher and lower than mantle oxygen isotope signatures attributed to current and past subduction, Contributions to Mineralogy and Petrology, 162, 945, 10.1007/s00410-011-0633-4 Meert, 2012, What's in a name? The Columbia (Paleopangea/Nuna) supercontinent, Gondwana Research, 21, 987, 10.1016/j.gr.2011.12.002 Middlemost, 1994, Naming materials in the magma/igneous rock system, Earth-Science Reviews, 37, 215, 10.1016/0012-8252(94)90029-9 Moyen, 2009, High Sr/Y and La/Yb ratios: the meaning of the “adakitic signature”, Lithos, 112, 556, 10.1016/j.lithos.2009.04.001 Muir, 1995, The Cretaceous Separation Point batholith, New Zealand: granitoid magmas formed by melting of mafic lithosphere, Journal of the Geological Society, 152, 689, 10.1144/gsjgs.152.4.0689 Nance, 2014, The supercontinent cycle: a retrospective essay, Gondwana Research, 25, 4, 10.1016/j.gr.2012.12.026 NMBGMR (Nei Mongol Bureau of Geology and Mineral Resources), 1991 Peccerillo, 1976, Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area, Northern Turkey, Contributions to Mineralogy and Petrology, 58, 63, 10.1007/BF00384745 Peck, 2004, Oxygen-isotope constraints on terrane boundaries and origin of 1.18–1.13Ga granitoids in the southern Grenville province, 197, 163 Peng, 2011, U–Pb baddeleyite ages, distribution and geochemistry of 925Ma mafic dykes and 900Ma sills in the North China Craton: evidence for a Neoproterozoic mantle plume, Lithos, 127, 210, 10.1016/j.lithos.2011.08.018 Petford, 1996, Na-rich partial melts from newly underplated basaltic crust: the Cordillera Blanca Batholith, Peru, Journal of Petrology, 37, 1491, 10.1093/petrology/37.6.1491 Rapp, 1995, Dehydration melting of metabasalt at 8–32kbar: implications for continental growth and crust–mantle recycling, Journal of Petrology, 36, 891, 10.1093/petrology/36.4.891 Rapp, 1999, Reaction between slab-derived melts and peridotite in the mantle wedge: experimental constraints at 3.8GPa, Chemical Geology, 160, 335, 10.1016/S0009-2541(99)00106-0 Richards, 2007, Special paper: adakite-like rocks: their diverse origins and questionable role in metallogenesis, Economic Geology, 102, 537, 10.2113/gsecongeo.102.4.537 Roberts, 2013, The boring billion?—Lid tectonics, continental growth and environmental changes associated with the Columbia supercontinent, Geoscience Frontiers, 4, 681, 10.1016/j.gsf.2013.05.004 Roberts, 2013, Sedimentary recycling in arc magmas: geochemical and U–Pb–Hf–O constraints on the Mesoproterozoic Suldal Arc, SW Norway, Contributions to Mineralogy and Petrology, 165, 507, 10.1007/s00410-012-0820-y Rogers, 2009, Tectonics and surface effects of the supercontinent Columbia, Gondwana Research, 15, 373, 10.1016/j.gr.2008.06.008 Rooney, 2011, Water-saturated magmas in the Panama Canal region: a precursor to adakite-like magma generation?, Contributions to Mineralogy and Petrology, 161, 373, 10.1007/s00410-010-0537-8 Sen, 1994, Dehydration melting of a basaltic composition amphibolite at 1.5 and 2.0GPa: implications for the origin of adakites, Contributions to Mineralogy and Petrology, 117, 394, 10.1007/BF00307273 Skjerlie, 2002, The fluid-absent partial melting of a zoisite bearing quartz eclogite from 1.0 to 3.2GPa: implications for melting in thickened continental crust and for subduction-zone processes, Journal of Petrology, 43, 291, 10.1093/petrology/43.2.291 Springer, 1997, Partial fusion of basic granulites at 5 to 15kbar: implications for the origin of TTG magmas, Contributions to Mineralogy and Petrology, 127, 30, 10.1007/s004100050263 Streck, 2007, High-magnesian andesite from Mount Shasta: a product of magma mixing and contamination, not a primitive mantle melt, Geology, 35, 351, 10.1130/G23286A.1 Su, 2013, Petrogenesis and geochronology of Cretaceous adakitic, I- and A-type granitoids in the NE Yangtze block: constraints on the eastern subsurface boundary between the North and South China blocks, Lithos, 175–176, 333, 10.1016/j.lithos.2013.05.016 Sun, 1989, Chemical and isotopic systematics of oceanic basalt: implications for mantle composition and processes, 42, 528 Teixeira, 2013, U–Pb (ID-TIMS) baddeleyite ages and paleomagnetism of 1.79 and 1.50Ga tholeiitic dyke swarms, and position of the Rio de la Plata craton within the Columbia supercontinent, Lithos, 174, 157, 10.1016/j.lithos.2012.09.006 Valley, 2005, 4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon, Contributions to Mineralogy and Petrology, 150, 561, 10.1007/s00410-005-0025-8 Wang, 2012 Wang, 2005, Cenozoic K-rich adakitic volcanic rocks in the Hohxil area, northern Tibet: lower-crustal melting in an intracontinental setting, Geology, 33, 465, 10.1130/G21522.1 Wang, 2006, Petrogenesis of adakitic porphyries in an extensional tectonic setting, Dexing, South China: implications for the genesis of porphyry copper mineralization, Journal of Petrology, 47, 119, 10.1093/petrology/egi070 Wang, 2006, Mesozoic adakites in the Lingqiu Basin of the central North China Craton: partial melting of underplated basaltic lower crust, Geochemical Journal, 40, 447, 10.2343/geochemj.40.447 Wang, 2007, Petrogenesis of Carboniferous adakites and Nb-enriched arc basalts in the Alataw area, northern Tianshan Range (western China): implications for Phanerozoic crustal growth in the Central Asia orogenic belt, Chemical Geology, 236, 42, 10.1016/j.chemgeo.2006.08.013 Wang, 2007, Early Cretaceous adakitic granites in the Northern Dabie Complex, central China: implications for partial melting and delamination of thickened lower crust, Geochimica et Cosmochimica Acta, 71, 2609, 10.1016/j.gca.2007.03.008 Wang, 2008, Triassic Nb-enriched basalts, magnesian andesites, and adakites of the Qiangtang terrane (Central Tibet): evidence for metasomatism by slab-derived melts in the mantle wedge, Contributions to Mineralogy and Petrology, 155, 473, 10.1007/s00410-007-0253-1 Wang, 2008, Eocene melting of subducting continental crust and early uplifting of central Tibet: evidence from central-western Qiangtang high-K calc-alkaline andesites, dacites and rhyolites, Earth and Planetary Science Letters, 272, 158, 10.1016/j.epsl.2008.04.034 Wang, 2015, 1.23Ga mafic dykes in the North China Craton and their implications for the reconstruction of the Columbia supercontinent, Gondwana Research, 27, 1407, 10.1016/j.gr.2014.02.002 Wiedenbeck, 2004, Further characterisation of the 91500 zircon crystal, Geostandards and Geoanalytical Research, 28, 9, 10.1111/j.1751-908X.2004.tb01041.x Wong, 2011, Zircon U–Pb and Hf isotopic study of Mesozoic felsic rocks from eastern Zhejiang, South China: geochemical contrast between the Yangtze and Cathaysia blocks, Gondwana Research, 19, 244, 10.1016/j.gr.2010.06.004 Wu, 2005, Nd isotopic constraints on crustal formation in the North China Craton, Journal of Asian Earth Sciences, 24, 523, 10.1016/j.jseaes.2003.10.011 Wu, 2006, Hf isotopic compositions of the standard zircons and baddeleyites used in U–Pb geochronology, Chemical Geology, 234, 105, 10.1016/j.chemgeo.2006.05.003 Wu, 2008, Zircon U–Pb and Hf isotopic constraints on the Early Archean crustal evolution in Anshan of the North China Craton, Precambrian Research, 167, 339, 10.1016/j.precamres.2008.10.002 Wu, 2008, Lithospheric thinning and destruction of the North China Craton, Acta Petrologica Sinica, 24, 1145 Wu, 2014, Zircon U–Pb and Hf isotopic constraints on the onset time of India–Asia collision, American Journal of Science, 314, 548, 10.2475/02.2014.04 Xie, 2008, In situ simultaneous determination of trace elements, U–Pb and Lu–Hf isotopes in zircon and baddeleyite, Chinese Science Bulletin, 53, 1565 Xiong, 2001, Formation and evolution of the Bayanhaote prototype basins, Petroleum Geology & Experiment, 23, 19 Yin, 2000, Geologic evolution of the Himalayan–Tibetan orogen, Annual Review of Earth and Planetary Sciences, 28, 211, 10.1146/annurev.earth.28.1.211 Yuan, 1992, Discovery of Paleozoic sediments in east Bayanhot basin and its tectonic significance, Oil & Gas Geology, 13, 381 Yuan, 2015, The Alashan Terrane was not part of North China by the Late Devonian: evidence from detrital zircon U–Pb geochronology and Hf isotopes, Gondwana Research, 27, 1270, 10.1016/j.gr.2013.12.009 Yuan, 2015, The Alashan Terrane did not amalgamate with North China block by the Late Permian: evidence from Carboniferous and Permian paleomagnetic results, Journal of Asian Earth Sciences, 10.1016/j.jseaes.2014.02.010 Zhai, 2011, The early Precambrian odyssey of the North China Craton: a synoptic overview, Gondwana Research, 20, 6, 10.1016/j.gr.2011.02.005 Zhai, 2000, The amalgamation of the supercontinent of North China Craton at the end of Neo-Archaean and its breakup during late Palaeoproterozoic and Meso-Proterozoic, Science in China Series D-Earth Sciences, 43, 219, 10.1007/BF02911947 Zhang, 2000, Pb, Nd isotopic study of Proterozoic metamorphic sediments in North Jiangxi and its tectonic significance, Regional Geology of China, 19, 66 Zhang, 2007, Geochemical and Pb–Sr–Nd isotopic compositions of Indosinian granitoids from the Bikou block, northwest of the Yangtze plate: constraints on petrogenesis, nature of deep crust and geodynamics, Science in China Series D: Earth Sciences, 50, 972, 10.1007/s11430-007-0014-z Zhang, 2011, Detrital zircon U–Pb ages of Middle Ordovician flysch sandstones in the western Ordos margin: new constraints on their provenances, and tectonic implications, Journal of Asian Earth Sciences, 42, 1030, 10.1016/j.jseaes.2011.03.009 Zhang, 2012, The relationship between the Alxa Block and the North China Plate during the Early Peleozoic:new information from the Middle Ordovician detrital zircon ages in the eastern Alxa Block, Acta Petrologica Sinica, 28, 2912 Zhang, 2013, Neoarchean–Paleoproterozoic multiple tectonothermal events in the western Alxa block, North China Craton and their geological implication: evidence from zircon U–Pb ages and Hf isotopic composition, Precambrian Research, 235, 36, 10.1016/j.precamres.2013.05.002 Zhang, 2013, The latest Neoarchean–Paleoproterozoic evolution of the Dunhuang block, eastern Tarim craton, northwestern China: evidence from zircon U–Pb dating and Hf isotopic analyses, Precambrian Research, 226, 21, 10.1016/j.precamres.2012.11.014 Zhang, 2013, Kinematics and geochronology of multistage ductile deformation along the eastern Alxa block, NW China: new constraints on the relationship between the North China Plate and the Alxa block, Journal of Structural Geology, 57, 38, 10.1016/j.jsg.2013.10.002 Zhang, 2013, LA-ICP-MS U–Pb ages of pillow lava basalts in southwestern Langshan, Inner Mongolia and their implication, Geological Bulletin of China, 32, 287 Zhao, 2014 Zhao, 2012, Precambrian geology of China, Precambrian Research, 222–223, 13, 10.1016/j.precamres.2012.09.017 Zhao, 2013, Lithotectonic elements of Precambrian basement in the North China Craton: review and tectonic implications, Gondwana Research, 23, 1207, 10.1016/j.gr.2012.08.016 Zhao, 2002, Review of global 2.1–1.8Ga orogens: implications for a Pre-Rodinia supercontinent, Earth-Science Reviews, 59, 125, 10.1016/S0012-8252(02)00073-9 Zhao, 2004, A Paleo-Mesoproterozoic supercontinent: assembly, growth and breakup, Earth Science Reviews, 67, 91, 10.1016/j.earscirev.2004.02.003 Zhao, 2005, Late Archean to Paleoproterozoic evolution of the North China Craton: key issues revisited, Precambrian Research, 136, 177, 10.1016/j.precamres.2004.10.002 Zhao, 2012, Amalgamation of the North China Craton: key issues and discussion, Precambrian Research, 222–223, 55, 10.1016/j.precamres.2012.09.016 Zheng, 2013, Introduction to tectonics of China, Gondwana Research, 23, 1189, 10.1016/j.gr.2012.10.001 Zhu, 1994, Mixed deep-water gravity current sedimentary sequences of middle-Ordovician series in the east margin of Bayanhaote basin, Acta Sedimentologica Sinica, 12, 77 Zhu, 2001, Lead isotope geochemistry of the urban environment in the Pearl River Delta, Applied Geochemistry, 16, 409, 10.1016/S0883-2927(00)00047-0 Zi, 2012, Generation of Early Indosinian enriched mantle-derived granitoid pluton in the Sanjiang Orogen (SW China) in response to closure of the Paleo-Tethys, Lithos, 140–141, 166, 10.1016/j.lithos.2012.02.006