Gordon Southam

Temporal Shifts in the Geochemistry and Microbial Community Structure of an Ultradeep Mine Borehole Following Isolation

F. Brockman, B. Baker, T. Phelps, 2003 .

Implications of in situ calcification for photosynthesis in a ~3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa

Frances Westall, Frédéric Foucher, François Robert, 2011 .

Stars of the terrestrial deep subsurface: A novel ‘star‐shaped’ bacterial morphotype from a South African platinum mine

T. Onstott, G. Southam, G. Wanger, 2008, Geobiology.

Impact-generated hydrothermal systems on Earth and Mars

Charles S. Cockell, John Parnell, Gordon R. Osinski, 2013 .

The Geology and Habitability of Terrestrial Planets: Fundamental Requirements for Life

L. Rothschild, G. Southam, F. Westall, 2007 .

Structural and Chemical Characterization of a Natural Fracture Surface from 2.8 Kilometers Below Land Surface: Biofilms in the Deep Subsurface

T. Onstott, G. Southam, G. Wanger, 2006 .

Mobile hydrocarbon microspheres from >2‐billion‐year‐old carbon‐bearing seams in the South African deep subsurface

T. Onstott, G. Southam, G. Wanger, 2012, Geobiology.