Pyrolysis of Early Pre-Cambrian Onverwacht Organic Matter (> 3 × 109 yr old)

African magmatism and tectonics

Paul M. Clifford · Geochimica et Cosmochimica Acta · 1971 · 647 citations

Rift System, Magmatic Process, Volcanology +6

Alga-Like Forms in Onverwacht Series, South Africa: Oldest Recognized Lifelike Forms on Earth

A. E. J. Engel, Bartholomew Nagy, Lois Anne Nagy et al. · Science · 1968 · 116 citations

Engineering, Sedimentary Geology, Biostratigraphy +17

Organic Analysis by Pyrolys is-Gas Chromatography-Mass Spectrometry A Candidate Experiment for the Biological Exploration of Mars

Peter G. Simmonds, Garson P. Shulman, C.H. Stembridge · Journal of Chromatographic Science · 1969 · 103 citations

Engineering, Biological Mass Spectrometry, Chemistry +16

Early Pre-Cambrian Onverwacht Microstructures : Possibly the Oldest Fossils on Earth?

Bartholomew Nagy, Lois Anne Nagy · Nature · 1969 · 64 citations

Engineering, Precambrian Geology, Geology +3

The Application of Controlled Partial Gas Phase Thermolytic Dissociation to the Identification of Gas Chromatographic Effluents

E. J. Levy, Dibyadeep Paul · Journal of Chromatographic Science · 1967 · 47 citations

Engineering, Molecular Biology, Levy Search +17