Palaeomagnetic evidence for the persistence or recurrence of geomagnetic main field anomalies in the South Atlantic

J Shah, AAP Koppers, M Leitner, R Leonhardt… - Earth and Planetary …, 2016 - Elsevier
We present a dataset of a full-vector palaeomagnetic study of Late Pleistocene lavas from
the island Tristan da Cunha in the South Atlantic Ocean. The current day geomagnetic field …

[HTML][HTML] Reconstructing the geomagnetic field in West Africa: First absolute intensity results from Burkina Faso

L Kapper, F Donadini, V Serneels, E Tema… - Scientific reports, 2017 - nature.com
We present absolute geomagnetic intensities from iron smelting furnaces discovered at the
metallurgical site of Korsimoro, Burkina Faso. Up to now, archaeologists recognized four …

New archaeomagnetic direction results from China and their constraints on palaeosecular variation of the geomagnetic field in Eastern Asia

S Cai, L Tauxe, C Deng, H Qin, Y Pan… - … Supplements to the …, 2016 - academic.oup.com
We carried out an archaeomagnetic directional study on 38 oriented samples (bricks and
baked clays) collected from four archaeological locations at three provinces in China. The …

[HTML][HTML] Long-term magnetic anomalies and their possible relationship to the latest greater Chilean earthquakes in the context of the seismo-electromagnetic theory

E Guillermo Cordaro… - Natural Hazards and …, 2021 - nhess.copernicus.org
Several magnetic measurements and theoretical developments from different research
groups have shown certain relationships with worldwide geological processes. Secular …

Latitudinal variation rate of geomagnetic cutoff rigidity in the active Chilean convergent margin

EG Cordaro, P Venegas, D Laroze - Annales Geophysicae, 2018 - angeo.copernicus.org
We present a different view of secular variation of the Earth's magnetic field, through the
variations in the threshold rigidity known as the variation rate of geomagnetic cutoff rigidity …

[HTML][HTML] Indicators of mantle control on the geodynamo from observations and simulations

M Korte, CG Constable, CJ Davies… - Frontiers in Earth …, 2022 - frontiersin.org
There has been longstanding controversy about whether the influence of lateral variations in
core-mantle boundary heat flow can be detected in paleomagnetic records of geomagnetic …

New archeointensity data from South Brazil and the influence of the South Atlantic Anomaly in South America

GA Hartmann, W Poletti, RIF Trindade… - Earth and Planetary …, 2019 - Elsevier
We obtained six new high-quality archeointensity results for the Pelotas city region, in South
Brazil with ages ranging from 1790 to 1943 CE. Archeointensity measurements were …

[HTML][HTML] Miocene time-averaged geomagnetic field model suggests long lived mantle control and recurring structure in the South Atlantic

YA Engbers, R Holme, AJ Biggin - Earth and Planetary Science Letters, 2024 - Elsevier
Reconstructions of long-term time-averaged geomagnetic field structures are important to
understand geomagnetic field evolution and to identify the longevity and scale of non …

Inner radiation belt simulations of the proton flux response in the South Atlantic Anomaly during the Geomagnetic Storm of 15 May 2005

KM Girgis, T Hada, S Matsukiyo… - Journal of Space …, 2021 - swsc-journal.org
A test particle simulation code was developed to simulate the inner proton belt response
during the intense geomagnetic storm of 15 May 2005. The guiding center model was …

Long‐Wavelength Topography and Multiscale Velocity Heterogeneity at the Core‐Mantle Boundary

JB Muir, S Tanaka, H Tkalčić - Geophysical Research Letters, 2022 - Wiley Online Library
The structure of the lowermost mantle and the core‐mantle boundary (CMB) has profound
implications for Earth's evolution and current‐day dynamics. Whilst tomographic studies of …