East African Rifts

Content: 
Further Titles in this Series
Page II

Front Matter
Page III

Copyright page
Page IV

List of Authors
Page VI

Foreword
Pages 1-2
R.W. GIRDLER

Surface Structure and Plate Tectonics of Afar
Pages 3-6,7-10,11-14,15-18
P.A. MOHR

Volcanism in the Afar Depression: Its Tectonic and Magmatic Significance
Pages 19-29
F. BARBERI, H. TAZIEFF, J. VARET

A Preliminary Interpretation of the Gravity Field of Afar, Northeast Ethiopia
Pages 31-39
J. MAKRIS, H. MENZEL, J. ZIMMERMANN

A Gravity Survey of the Central Part of the Ethiopian Rift Valley
Pages 41-52
ROGER SEARLE, PIERRE GOUIN

An Aeromagnetic Survey of the Afar Triangle of Ethiopia
Page 53
R.W. GIRDLER, S.A. HALL

Local Earthquake Phases Observed at Addis Ababa, Ethiopia
Pages 55-57
ROGER SEARLE, PIERRE GOUIN

Seismic Profiles in the Djibouti Area
Pages 59-64
J.C. LEPINE, J.C. RUEGG, L. STEINMETZ

Continental Rift Zones: Their Arrangement and Development
Pages 65-70
E.E. MILANOVSKY

East African Rift Development
Pages 71-81
N.A. LOGATCHEV, V.V. BELOUSSOV, E.E. MILANOVSKY

The Kenya Rift Volcanics: A Note on Volumes and Chemical Composition
Pages 83-96
L.A.J. WILLIAMS

A Geochemical Study of Silali Volcano, Kenya, with Special Reference to the Origin of the Intermediate-Acid Eruptives of the Central Rift Valley
Pages 97-113
G.J.H. McCALL, G. HORNUNG

The Seismicity of the East African Rift System
Pages 115-122
J.D. FAIRHEAD, R.W. GIRDLER

Study of Microearthquakes in the Rift Zones of East Africa
Pages 123-130
L.N. RYKOUNOV, V.V. SEDOV, L.A. SAVRINA, V.JU. BOURMIN

Gravity and Magnetic Surveys in Northern Tanzania and Southern Kenya
Pages 131-141
B.W. DARRACOTT, J.D. FAIRHEAD, R.W. GIRDLER

Report on Airmagnetic Surveys of Two Areas in the Kenya Rift Valley
Pages 143-149
J. WOHLENBERG, N.V. BHATT

Some Comments on the Results of a Seismic Refraction Experiment in the Kenya Rift
Pages 151-156
D.H. GRIFFITHS

Rayleigh Wave Phase Velocities for the Path Addis Ababa—Nairobi
Pages 157-163
L. KNOPOFF, J.W. SCHLUE

The Structure of East Africa Using Surface Wave Dispersion and Durham Seismic Array Data
Pages 165-178
R.E. LONG, R.W. BACKHOUSE, P.K.H. MAGUIRE, K. SUNDARLINGHAM

Heat Flow Measurements in East Africa
Page 179
R.P. VON HERZEN

International Upper Mantle Committee
Pages 181-186