globalchange  > 气候变化事实与影响
DOI: 10.5194/esurf-7-321-2019
WOS记录号: WOS:000462540600001
论文题名:
Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)
作者: Normand, Raphael1; Simpson, Guy1; Herman, Frederic2; Biswas, Rabiul Haque2; Bahroudi, Abbas3; Schneider, Bastian4
通讯作者: Normand, Raphael
刊名: EARTH SURFACE DYNAMICS
ISSN: 2196-6311
EISSN: 2196-632X
出版年: 2019
卷: 7, 期:1, 页码:321-344
语种: 英语
WOS关键词: SEA-LEVEL FLUCTUATIONS ; ACCRETIONARY PRISM ; TECTONIC UPLIFT ; PLATE BOUNDARY ; CORAL TERRACES ; HUON-PENINSULA ; SEISMIC-CYCLE ; VELOCITY STRUCTURE ; GPS MEASUREMENTS ; CLIMATE-CHANGE
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

The western part of the Makran subduction zone (Iran) is currently experiencing active surface uplift, as attested by the presence of emerged marine terraces along the coast. To better understand the uplift recorded by these terraces, we investigated seven localities along the Iranian Makran and we performed radiocarbon, Th-230/U and optically stimulated luminescence (OSL) dating of the layers of marine sediments deposited on top of the terraces. This enabled us to correlate the terraces regionally and to assign them to different Quaternary sea-level highstands. Our results show east-west variations in surface uplift rates mostly between 0.05 and 1.2 mm yr(-1). We detected a region of anomalously high uplift rate, where two MIS 3 terraces are emerged, but we are uncertain how to interpret these results in a geologically coherent context. Although it is presently not clear whether the uplift of the terraces is linked to the occurrence of large megathrust earthquakes, our results highlight rapid surface uplift for a subduction zone context and heterogeneous accumulation of deformation in the overriding plate.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/132401
Appears in Collections:气候变化事实与影响

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作者单位: 1.Univ Geneva, Dept Earth Sci, Rue Maraichers 13, CH-1205 Geneva, Switzerland
2.Univ Lausanne, Fac Geosci & Environm, Inst Earth Surface Dynam, CH-1012 Lausanne, Switzerland
3.Univ Tehran, Sch Min Engn, Explorat Dept, Northern Kargar Ave,POB 11365-4563, Tehran, Iran
4.Univ Bonn, Steinmann Inst Geol, Nussallee 8, D-53115 Bonn, Germany

Recommended Citation:
Normand, Raphael,Simpson, Guy,Herman, Frederic,et al. Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)[J]. EARTH SURFACE DYNAMICS,2019-01-01,7(1):321-344
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