Late Quaternary Structural Deformation and Tectono-Geomorphic Features along the Xiugou Basin Segment, Eastern Kunlun Fault Zone
详细信息
- 责任者：Yang Shunhu (Institute of Geology and Geophysics ; Chinese Academy of Sciences ; Beijing 100029 ; China) ; Fu Bihong
- 刊名：Quaternary Sciences
- 出版年：2012
- 卷期：32(5)
- 关键词：构造变形 ; tectonic deformation ; 构造地貌 ; morphostructures ; 昆仑山 ; Kunlun Mountains
- 页码：p.921-930
- 图表：illus., 1 table, 58 refs.
- 分类号：1400
- isbnNo：CN11-2708/P
摘要
line! important; FLOAT: none; WORD-SPACING: 0px; FONT: 13px/21px Verdana, Arial, Helvetica, sans-serif; TEXT-TRANSFORM: none; COLOR: rgb(51,51,51); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">This paper is to document the Late Quaternary structural deformation and geomorphic features along the Xiugou Basin segment.The authorsline! important; FLOAT: none; WORD-SPACING: 0px; FONT: 13px/21px Verdana, Arial, Helvetica, sans-serif; TEXT-TRANSFORM: none; COLOR: rgb(51,51,51); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"> identified a ca.50-km-long surface rupture zone produced by the most recent large seismic event(WEIGHT: normal; FONT-SIZE: 13px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(51,51,51); TEXT-INDENT: 0px; LINE-HEIGHT: 21px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); FONT-VARIANT: normal; WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">M line! important; FLOAT: none; WORD-SPACING: 0px; FONT: 13px/21px Verdana, Arial, Helvetica, sans-serif; TEXT-TRANSFORM: none; COLOR: rgb(51,51,51); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">7.0),which most likely occurred in the northeast part of the Xiugou Basin in 1902.The length of this surface rupture zone is almost same order with the 40 km-long surface rupture zone produced by the 1963 Alake Lake M line! important; FLOAT: none; WORD-SPACING: 0px; FONT: 13px/21px Verdana, Arial, Helvetica, sans-serif; TEXT-TRANSFORM: none; COLOR: rgb(51,51,51); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">7.0 Alake Lake earthquake.A long-term slip rate of 12.9±2.9 mm/a was estimated based on lateral offsets of terrace riser,it is close to the result estimated from the displaced fluvial fans(10.1±0.8 mm/a)in the west part of Xiugou Basin.The estimated slip rate along the Xiugou Basin segment is in the same range measured by GPS.