James R. Maxwell

Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—I. Changes in the configurations of acyclic isoprenoid alkanes, steranes and triterpanes

A. S. Mackenzie, R.L. Patience, James R. Maxwell et al. · Geochimica et Cosmochimica Acta · 1980 · 791 citations

Organic Geochemistry, Engineering, Organic Petrology +12

Chemical Fossils: The Geological Fate of Steroids

A. S. Mackenzie, Simon C. Brassell, G. Eglinton et al. · Science · 1982 · 663 citations

Engineering, Chemical Fossils, Marine Chemistry +16

Geochemical and biological marker assessment of depositional environments using Brazilian offshore oils

M.R. Mello, P.C. Gaglianone, Simon C. Brassell et al. · Marine and Petroleum Geology · 1988 · 315 citations

Environmental Chemistry, Brazilian Offshore Oils, Environmental Monitoring +10

Specific acyclic isoprenoids as biological markers of methanogenic bacteria in marine sediments

Simon C. Brassell, A.M.K. Wardroper, I.D. Thomson et al. · Nature · 1981 · 298 citations

Biology, Engineering, Specific Acyclic Isoprenoids +9

Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—III. Changes in aromatic steroid hydrocarbons

A. S. Mackenzie, C.F. Hoffmann, James R. Maxwell · Geochimica et Cosmochimica Acta · 1981 · 289 citations

Organic Geochemistry, Environmental Chemistry, Engineering +12