陕西蓝田新街仰韶遗址史前地震遗迹的发现和初析
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摘要
蓝田新街仰韶遗址在抢救性发掘中揭露出疑似自然变形现象.地震和考古人员共同进行现场分析,认为该遗址存在史前地震遗迹,表现为文化层被错动、砂土混杂掠裹和砂土液化,变形条带呈现近南北向和东西向延伸.初步研究结果表明,研究部位在仰韶文化期后曾遭受地震变形作用.
Doubtful natural deformation phenomena were disclosed during salvage digging in Yangshao site of Xinjie,Lantian county.Seismological and archaeological investigator made a research on the site together with,it is consider initially that vestiges of prehistoric earthquake were existent indeed,which showed culture stratum were dislocated,sand and clay intermix and liquefaction of sand soil,the deformation belt was approximate to tending to S-N and E-W.The result of pilot study showed the research site underwent seismic deformation process.
Doubtful natural deformation phenomena were disclosed during salvage digging in Yangshao site of Xinjie,Lantian county.Seismological and archaeological investigator made a research on the site together with,it is consider initially that vestiges of prehistoric earthquake were existent indeed,which showed culture stratum were dislocated,sand and clay intermix and liquefaction of sand soil,the deformation belt was approximate to tending to S-N and E-W.The result of pilot study showed the research site underwent seismic deformation process.
引文
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[2]姚大全,汤有标,李杰等.活动断裂带上的粘滑与蠕滑标志及其研究意义.地球物理学进展,1993,8(4):140-148.Yao D Q,Tang Y B,Li J,et al.Marks of stick slip and creepslippage on active fault zone and their significance.Progress inGeophysics(in Chinese),1993,8(4):140-148.
[3]卢海峰,张世民,马保起等.汶川MS8.0地震断层映秀-南坝段的活动方式、形变特征及其形成机制.地球物理学报,2009,52(5):1376-1383.Lu H F,Zhang S M,Ma B Q,et al.Active mode,deformation characteristics and dynamic mechanism of theYingxiu-Nanba segment of the MS8.0 Wenchuan earthquakefault.Chinese J.Geophys.(in Chinese),2009,52(5):1376-1383.
[4]夏正楷,张小虎,楚小龙等.河南荥阳薛村商代前期(公元前1500-1260年)埋藏古地震遗迹的发现及其意义.科学通报,2009,54(12):1742-1748.Xia Z K,Zhang X H,Chu X L,et al.Discovery andsignificance of buried paleoearthquake of the early ShangDynasty(1260-1520 BC)in Xuecun,Xingyang,HenanProvince,China.Chinese Science Bulletin(in Chinese),2009,54(12):1742-1748.
[5]Caputo R,H elly B.Archaeological evidences of pastearthquakes:A contribution to the SHA of Thessaly,CentralGreece.J.Earthq.Eng.,2005,9(2):199-222.
[6]Bell J W,Katzer T.Timing of late Quaternary faulting in the1954Dixie Valley earthquake area,central Nevada.Geology,1990,18(7):622-625.
[7]Marco S,Hartal M,Hazan N,et al.Archaeology,history,and geology of the A.D.749 earthquake,Dead SeaTransform.Geology,2003,31(8):665-668.
[8]M arco S.R ecognition of earthquake-related dam age inarchaeological sites:Examples from the Dead Sea fault zone.Tectonophysics,2008,453(1-4):148-156.
[9]Schnellmann M,Anselmetti F S,Giardini D,et al.Prehistoric earthquake history revealed by lacustrine slumpdeposits.Geology,2002,30(12):1131-1134.
[10]Strasser M,Anselmetti F S,Fh D,et al.Magnitudes andsource areas of large prehistoric northern Alpine earthquakesrevealed by slope failures in lakes.Geology,2006,34(12):1005-1008.
[11]Sieh K E.Prehistoric large earthquakes produced by slip onthe San Andreas Fault at Pallett Creek,California.J.Geophys.Res.,1978,83(B8):3907-3939.
[12]Sukhija B S,Rao M N,Reddy D V,et al.Paleoliquefactionevidence and periodicity of large prehistoric earthquakes inShillong Plateau,India.Earth and Planetary Science Letters,1999,167(3-4):269-282.
[13]Olig S,Eppes M,Forman S,et al.Gallery of Geology-Prehistoric earthquake ruptures on the Hubbell Spring faultand implications for seismic hazards south of Albuquerque.New Mexico Geology,2004,26(1):34-36.
[14]Tuttle M P,Collier J,Wolf L W,et al.New evidence for alarge earthquake in the New Madrid seismic zone between A.D.1400and 1670.Geology,1999,27(9):7771-7774.
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