Obituary: Paul Silver

GR Helffrich
Astronomy & Geophysics 50

2009
Phase transitions in the Earth

GR Helffrich
Oxford University Press

1999
The Hudson Bay Lithospheric Experiment

ID Bastow , JM Kendall , GR Helffrich , DA Thompson
Astronomy & Geophysics 52 ( 6) 6.21 -6.24

9
2011
Precambrian Crustal Evolution of the Hudson Bay Region: Insights from Receiver Function Analysis

DA Thompson , ID Bastow , GR Helffrich , JM Kendall
AGU Fall Meeting Abstracts 2009 T42B -04

2009
Composition of the lower mantle: Predicted properties from atomistic simulations

C Isabella Bovolo , David M Sherman , GR Helffrich
Journal of Conference Abstracts: Goldschmidt

2000
Mantle structure: The message from scattered seismic waves

GR Helffrich , S Kaneshima
AGU Fall Meeting Abstracts 2009 U42A -02

2009
Age and Formation Mechanism for an Innermost Inner Core

G. R. Helffrich , R. Brasser
2015 AGU Fall Meeting 2015

2015
Evidence for a mega-tsunami generated by giant flank collapse of Fogo Volcano, Cape Verde.

G. R. Helffrich , R. Quartau , G. Winckler , J. M. Schaefer
AGUFM 2013

2013
Outer core stratification by crystallization of SiO 2

G. R. Helffrich , K. Hirose , R. Sinmyo , G. Morard
AGU Fall Meeting Abstracts 2016

2016
Tomographic study of the East African Rift in Mozambique - Initial results

G. R. Helffrich , S. Custodio , M. M. Silveira , E. Antunes
AGUFM 2012

2012
The MOZART Project - MOZAmbique Rift Tomography

G. R. Helffrich , S. Custodio , A. Domingues , S. Fishwick
AGUFM 2012

2012
Precambrian Plate Tectonics and the Formation of the Canadian Shield: Seismic Evidence from Hudson Bay

G. R. Helffrich , J. Wookey , I. D. Bastow , D. A. Thompson
AGUFM 2010

2010
Variations in Lithospheric Structure Across Northern Hudson Bay From Rayleigh Wave Array Tomography

G. R. Helffrich , J. Wookey , I. D. Bastow , D. Thompson
AGUFM 2009

2009
Crystallization in Earth's Core after High-Temperature Core Formation

G. Morard , G. R. Helffrich , H. Ozawa , K. Hirose
AGUFM 2015

2
2015
Mantle transition zone structure beneath the Canadian Shield

G. R. Helffrich , J. Wookey , I. D. Bastow , D. A. Thompson
AGU Fall Meeting Abstracts 2010

2010
Fine-scale crustal structure of the Azores Islands from teleseismic receiver functions

G. R. Helffrich , S. Rondenay , R. S. Ramalho , C. Thomas
AGU Fall Meeting Abstracts 2016

2016
2012
State of the shallow mantle inferred from a seismic discontinuity at 50-70 km

G. R. Helffrich , T. Tonegawa
AGU Fall Meeting Abstracts 2012

2012
Shear Wave Velocity Structure and Azimuthal Anisotropy of Hudson Bay

G. R. Helffrich , J. Wookey , I. D. Bastow , F. A. Darbyshire
AGU Fall Meeting Abstracts 2010

2010