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Does Kamchatka belong to North America? An extruding Okhotsk block suggested by coastal neotectonics of the Ozernoi Peninsula, Kamchatka, Russia
Pedoja, K; Bourgeois, J; Pinegina, T; Higman, B
2006
发表期刊GEOLOGY
ISSN0091-7613
卷号34期号:5页码:353-356
摘要This paper addresses one part of an outstanding tectonic problem regarding the nature of the plate boundary between Eurasia and North America in northeastern Russia. In this region, the northwestern corner of the Pacific plate interacts either simply with the North American plate, or more complexly with one or more blocks independent of North America. North of this corner, evidence of uplift, tilting, and convergence contradicts the prevailing, simpler model. On the Ozernoi Peninsula, similar to 150 km north of the subducting Pacific plate, marine terraces indicate uplift rates of 0.1 to 0.3 mm/yr, with faster rates to the east. Historic and paleoseismic records provide evidence for recurring tsunamigenic, thrust earthquakes offshore of the Ozernoi Peninsula, the most recent a Mw 7.7 earthquake in 1969. A multiplate model where an eastward-moving Okhotsk block, including most of Kamchatka, is converging with a clockwise- rotating Bering block better explains these observations than does the unbroken North American plate model.
部门归属China Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou, Peoples R China; China Acad Sci, Guangzhou Inst Geochem, Guangzhou, Peoples R China; Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA; FED, Inst Volcanol & Seismol, Petropavlovsk Kamchatski 683006, Russia
关键词Kamchatka Quaternary Marine Terraces Neotectonics Plate Tectonics Okhotsk Bering Sea
学科领域Geology
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000237312900009
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4418
专题中科院边缘海地质重点实验室
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Pedoja, K,Bourgeois, J,Pinegina, T,et al. Does Kamchatka belong to North America? An extruding Okhotsk block suggested by coastal neotectonics of the Ozernoi Peninsula, Kamchatka, Russia[J]. GEOLOGY,2006,34(5):353-356.
APA Pedoja, K,Bourgeois, J,Pinegina, T,&Higman, B.(2006).Does Kamchatka belong to North America? An extruding Okhotsk block suggested by coastal neotectonics of the Ozernoi Peninsula, Kamchatka, Russia.GEOLOGY,34(5),353-356.
MLA Pedoja, K,et al."Does Kamchatka belong to North America? An extruding Okhotsk block suggested by coastal neotectonics of the Ozernoi Peninsula, Kamchatka, Russia".GEOLOGY 34.5(2006):353-356.
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