DOI: 10.1002/2016GL068562
论文题名: Inherited structure and coupled crust-mantle lithosphere evolution: Numerical models of Central Australia
作者: Heron P.J. ; Pysklywec R.N.
刊名: Geophysical Research Letters
ISSN: 0094-9707
EISSN: 1944-9438
出版年: 2016
卷: 43, 期: 10 起始页码: 4962
结束页码: 4970
语种: 英语
英文关键词: Central Australian tectonics
; continental shortening
; glacial buzzsaw
; inherited structure
; intraplate orogenesis
; mantle lithosphere
Scopus关键词: Deformation
; Erosion
; Glacial geology
; Numerical models
; Tectonics
; Australia
; continental shortening
; Crust mantle
; glacial buzzsaw
; intraplate orogenesis
; Mantle lithosphere
; Tectonic history
; Upper crust
; Structural geology
; compression
; crustal evolution
; crustal shortening
; deformation
; geological structure
; glacial erosion
; intraplate process
; lithosphere
; mantle
; numerical model
; orogeny
; upper crust
; Australia
英文摘要: Continents have a rich tectonic history that have left lasting crustal impressions. In analyzing Central Australian intraplate orogenesis, complex continental features make it difficult to identify the controls of inherited structure. Here the tectonics of two types of inherited structures (e.g., a thermally enhanced or a rheologically strengthened region) are compared in numerical simulations of continental compression with and without “glacial buzzsaw” erosion. We find that although both inherited structures produce deformation in the upper crust that is confined to areas where material contrasts, patterns of deformation in the deep lithosphere differ significantly. Furthermore, our models infer that glacial buzzsaw erosion has little impact at depth. This tectonic isolation of the mantle lithosphere from glacial processes may further assist in the identification of a controlling inherited structure in intraplate orogenesis. Our models are interpreted in the context of Central Australian tectonics (specifically the Petermann and Alice Springs orogenies). ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84978832058&doi=10.1002%2f2016GL068562&partnerID=40&md5=ff56f33be49006ab7cb4eb1da8917f88
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10670
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Department of Earth Sciences, University of Toronto, Toronto, ON, Canada
Recommended Citation:
Heron P.J.,Pysklywec R.N.. Inherited structure and coupled crust-mantle lithosphere evolution: Numerical models of Central Australia[J]. Geophysical Research Letters,2016-01-01,43(10).