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000015983 0247_ $$2DOI$$a10.1111/j.1755-6724.2011.00403.x
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000015983 041__ $$aENG
000015983 084__ $$2WoS$$aGeosciences, Multidisciplinary
000015983 1001_ $$0P:(DE-HGF)0$$aZhao, W.J.$$b0
000015983 245__ $$aGeochemical Stratigraphy and Microvertebrate Assemblage Sequences across the Silurian/Devonian Transition in South China
000015983 260__ $$c2011
000015983 300__ $$a340 - 353
000015983 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000015983 3367_ $$2BibTeX$$aARTICLE
000015983 3367_ $$2ORCID$$aJOURNAL_ARTICLE
000015983 3367_ $$2DRIVER$$aarticle
000015983 440_0 $$024302$$aActa Geologica Sinica - English Edition$$v85$$y2
000015983 500__ $$3POF3_Assignment on 2016-02-29
000015983 500__ $$aThese research results are financially supported by the Basic Research Projects of Science and Technology: Research on standard sections and some GSSPs in China (2006FY120300-6) and the Major State Basic Research Projects (2006CB806400) of MST of China, the Creative Research Project of CAS (KZCX2-YW-156), the National Natural Science Foundation of China (40930208), and the Important National Science and Technology Specific Projects (2008ZX05008-001). The authors are grateful to Cao Xuanduo, Jia Liantao, Gai Zhikun, Lu Jing and Qiao Tuo for the field work and to Werner Laumer and Holger Wissel for stable isotope analyses.
000015983 520__ $$aCarbon isotope (δ13Corg) analyses of non-marine clastic rocks and neritic carbonates and black shales spanning the Silurian/Devonian transition are compared from two richly fossiliferous sequences in Qujing of East Yunnan and Zoige of Sichuan, South China. The two sections, Xishancun and Putonggou sections in South China, reveal positive δ13Corg shifts happening in the Upper Pridoli and Lower Devonian and reaching peak values as heavy as –25.2%‰ (Xishancun) and –19.9%‰ (Putonggou) in the lowermost Lochkovian following the first occurrence of the thelodont Parathelodus and the conodont Icriodus woschmidti woschmidti (only in Putonggou Section and together with Protathyris-Lanceomyonia brachiopod fauna). These results replicate a globally known positive shift in δ13Corg from the uppermost Silurian to the lowermost Devonian. The δ13Corg variations across the Silurian/Devonian Boundary (SDB) at the two sections in South China exhibit a shift in carbon isotopic composition similar to the detailed SDB curves from the borehole Klonk-1 drilled at top of the Klonk Global Standard Stratotype-Section and Point (GSSP) in the Prague Basin, Czech Republic. In addition, four microvertebrate assemblages, including the Liaojiaoshan, Xishancun, Yanglugou and Xiaputonggou assemblages, are recognized from the Silurian/Devonian transition exposed in the Xishancun and Putonggou sections, respectively. The results from both carbon isotope stratigraphy and microvertebrate assemblage sequences suggest that the SDB in South China is located at the base of the Xishancun Formation (between sample QX-20 and sample QX-21) in the Xishancun Section and the lower part of the Xiaputonggou Formation (between sample ZP-09 and sample ZP-10) in the Putonggou Section. The isotopic trend for organic carbon together with the changes of microvertebrate remains across the SDB can offer an approach to a potential correlation of the SDB from different sedimentary facies, which help to correlate the marine with non-marine deposits.
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000015983 65320 $$2Author$$aCarbon isotope stratigraphy
000015983 65320 $$2Author$$amicrovertebrate assemblages
000015983 65320 $$2Author$$aSilurian-Devonian Boundary
000015983 65320 $$2Author$$amarine and non-marine stratigraphic correlation
000015983 65320 $$2Author$$aSouth China
000015983 7001_ $$0P:(DE-HGF)0$$aWang, N.Z.$$b1
000015983 7001_ $$0P:(DE-Juel1)VDB14844$$aZhu, M.$$b2$$uFZJ
000015983 7001_ $$0P:(DE-Juel1)VDB1006$$aMann, U.$$b3$$uFZJ
000015983 7001_ $$0P:(DE-Juel1)VDB72615$$aHerten, U.$$b4$$uFZJ
000015983 7001_ $$0P:(DE-Juel1)129567$$aLücke, A.$$b5$$uFZJ
000015983 773__ $$0PERI:(DE-600)2420386-5$$a10.1111/j.1755-6724.2011.00403.x$$gVol. 85, p. 340 - 353$$p340 - 353$$q85<340 - 353$$tActa Geologica Sinica - English Edition$$v85$$y2011
000015983 8567_ $$uhttp://dx.doi.org/10.1111/j.1755-6724.2011.00403.x
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