Results 31 to 40 of about 134,088 (166)

Crustal and uppermost mantle structure of the northeastern Qinghai-Xizang Plateau from joint inversion of surface wave dispersions and receiver functions with P velocity constraintsKey points

Earthquake Science
Lithospheric structure beneath the northeastern Qinghai-Xizang Plateau is of vital significance for studying the geodynamic processes of crustal thickening and expansion of the Qinghai-Xizang Plateau.
Pei Zhang, Xiaodong Song, Jiangtao Li, Xingchen Wang, Xuezhen Zhang   +4 more
doaj   +1 more source

Crustal structure beneath the central and western North China from receiver function analysis

Earthquake Science, 2022
The North China Craton (NCC) is one of the oldest cratons on earth. Several important tectonic transformations of Mesozoic-Cenozoic tectonic regime led to the destruction of the North China craton. The knowledge of crustal structure can provide important
Xin Gao, Yonghua Li, Xiaoyu Yang, Zhiyuan Ren   +3 more
doaj   +1 more source

A Bayesian Deconvolution Approach for Receiver Function Analysis

IEEE Transactions on Geoscience and Remote Sensing, 2010
In this paper, we propose a Bayesian methodology for receiver function analysis, a key tool in determining the deep structure of the Earth's crust. We exploit the assumption of sparsity for receiver functions to develop a Bayesian deconvolution method as an alternative to the widely used iterative deconvolution. We model samples of a sparse signal as i.
Sinan Yildirim, Ali Taylan Cemgil, Mustafa Aktar, Yaman Ozakin, Aysin Ertüzün   +4 more
openaire   +2 more sources

Multigenetic Origin of the X‐Discontinuity Below Continents: Insights From African Receiver Functions

Geochemistry, Geophysics, Geosystems, 2023
Constraints on chemical heterogeneities in the upper mantle may be derived from studying the seismically observable impedance contrasts that they produce.
Stephen Pugh, Alistair Boyce, Ian D. Bastow, C. J. Ebinger, Sanne Cottaar   +4 more
doaj   +1 more source

Joint Inversion of Receiver Functions and Apparent Incidence Angles to Determine the Crustal Structure of Mars

Geophysical Research Letters, 2023
Recent estimates of the crustal thickness of Mars show a bimodal result of either ∼20 or ∼40 km beneath the InSight lander. We propose an approach based on random matrix theory applied to receiver functions (RFs) to further constrain the subsurface ...
Rakshit Joshi, Brigitte Knapmeyer‐Endrun, Klaus Mosegaard, M. A. Wieczorek, Heiner Igel, Ulrich R. Christensen, Philippe Lognonné   +6 more
doaj   +1 more source

Deep structure of the Wulong goldfield, Liaodong Peninsula, China, revealed by receiver functions: implications for the tectonic and mineralization dynamics

Frontiers in Earth Science
During the Mesozoic, the North China Craton experienced intense tectonic movements that resulted in the formation of numerous gold deposits on the Liaodong and Jiaodong Peninsulas in northeastern China.
Fan Zheng, Fan Zheng, Fan Zheng, Tao Xu, Tao Xu, Yinshuang Ai, Yinshuang Ai, Yinshuang Ai, Yunping Ge, Yunping Ge, Yunping Ge, Qingdong Zeng, Qingdong Zeng, Qingdong Zeng, Laicheng Miao, Laicheng Miao, Weiyu Dong, Weiyu Dong, Weiyu Dong, José Badal   +19 more
doaj   +1 more source

The Potential of DAS in Teleseismic Studies: Insights From the Goldstone Experiment

Geophysical Research Letters, 2019
Distributed acoustic sensing (DAS) is a recently developed technique that has demonstrated its utility in the oil and gas industry. Here we demonstrate the potential of DAS in teleseismic studies using the Goldstone OpticaL Fiber Seismic experiment in ...
Chunquan Yu, Zhongwen Zhan, Nathaniel J. Lindsey, Jonathan B. Ajo‐Franklin, Michelle Robertson   +4 more
doaj   +1 more source

Slab Tearing Underneath the Bransfield Strait, Antarctica

Geophysical Research Letters, 2023
We conduct a P‐wave receiver function analysis of the Bransfield Strait (West Antarctica) to determine the lithospheric structure of this back‐arc basin, thanks to 31 temporary and permanent stations. Our main finding is a 15 km tear of the Phoenix slab,
J. A. Parera‐Portell, F. D. L. Mancilla, J. Almendros, J. Morales, D. Stich   +4 more
doaj   +1 more source

Crustal Structure in Southeastern Texas From Joint Inversion of Ambient Seismic Noise and P to S Receiver Functions

Geochemistry, Geophysics, Geosystems, 2020
The detection and classification of earthquakes in regions previously considered aseismic has led to significant advances in our understanding of anthropogenically induced earthquakes in productive basins. The Eagle Ford of southeastern Texas is one such
R. W. Porritt, A. Savvaidis, B. Young, M. Shirley, P. Li   +4 more
doaj   +1 more source

A Recent Tear in Subducting Plate Explains Seismicity and Upper Mantle Structure of Southern Costa Rica

Geochemistry, Geophysics, Geosystems, 2020
Past studies of southern Costa Rica have generated a multitude of tectonic scenarios to account for different data sets. Flat slabs, detached slabs, and slab windows have been proposed to address the uplift of the Cordillera de Talamanca (CT), cessation ...
J. Bourke, V. Levin, L. Linkimer, I. Arroyo   +3 more
doaj   +1 more source