Crustal structure of active deformation zones in Africa: Implications for global crustal processes

CJ Ebinger, D Keir, ID Bastow, K Whaler… - …, 2017 - Wiley Online Library
Abstract The Cenozoic East African rift (EAR), Cameroon Volcanic Line (CVL), and Atlas
Mountains formed on the slow‐moving African continent, which last experienced orogeny …

[HTML][HTML] Moho depth and crustal composition in Southern Africa

M Youssof, H Thybo, IM Artemieva, A Levander - Tectonophysics, 2013 - Elsevier
We present new results on structure, thickness, and composition of the crust in southern
Africa based on 6300 seismic receiver functions at 85 stations. Application of Hk-stacking to …

Application of single‐station sigma and site‐response characterization in a probabilistic seismic‐hazard analysis for a new nuclear site

A Rodriguez‐Marek, EM Rathje… - Bulletin of the …, 2014 - pubs.geoscienceworld.org
Aleatory variability in ground‐motion prediction, represented by the standard deviation
(sigma) of a ground‐motion prediction equation, exerts a very strong influence on the results …

Structure of the crust beneath Cameroon, West Africa, from the joint inversion of Rayleigh wave group velocities and receiver functions

APK Tokam, CT Tabod, AA Nyblade… - Geophysical Journal …, 2010 - academic.oup.com
Summary The Cameroon Volcanic Line (CVL) consists of a linear chain of Tertiary to
Recent, generally alkaline, volcanoes that do not exhibit an age progression. Here we study …

New insights into the crust and lithospheric mantle structure of Africa from elevation, geoid, and thermal analysis

J Globig, M Fernàndez, M Torne… - Journal of …, 2016 - Wiley Online Library
We present new crust and lithosphere thickness maps of the African mainland based on
integrated modeling of elevation and geoid data and thermal analysis. The approach …

Diamond's depth distribution systematics

P Nimis, R Preston, SH Perritt, IL Chinn - Lithos, 2020 - Elsevier
The thermobarometric analysis of inclusions in lithospheric diamonds has shown that these
diamonds may originate from a wide range of depths, with a global mode at~ 175±15 km …

Thermal perturbations beneath the incipient Okavango Rift Zone, northwest Botswana

K Leseane, EA Atekwana, KL Mickus… - Journal of …, 2015 - Wiley Online Library
We used aeromagnetic and gravity data to investigate the thermal structure beneath the
incipient Okavango Rift Zone (ORZ) in northwestern Botswana in order to understand its role …

Map** the Moho with seismic surface waves: A review, resolution analysis, and recommended inversion strategies

S Lebedev, JMC Adam, T Meier - Tectonophysics, 2013 - Elsevier
The strong sensitivity of seismic surface waves to the Moho is evident from a mere visual
inspection of their dispersion curves or waveforms. Rayleigh and Love waves have been …

Precambrian crustal evolution: seismic constraints from the Canadian Shield

DA Thompson, ID Bastow, G Helffrich… - Earth and Planetary …, 2010 - Elsevier
Whether or not plate tectonic processes operated on a younger, hotter Earth remains
ambiguous. Seismic data from new networks in the Hudson Bay region of the Canadian …

A crustal thickness map of Africa derived from a global gravity field model using Euler deconvolution

GE Tedla, M Van Der Meijde… - Geophysical Journal …, 2011 - academic.oup.com
We develop a new continental scale crustal model for Africa by modelling the free-air gravity
anomaly EIGEN-GL04C, which was developed from 30 months of GRACE Level 1B data …