POTASSIUM–ARGON age determinations have been carried out mainly on minerals with a high potassium content, particularly micas and potassium feldspars, found in intermediate to acid igneous rocks, but ...
KNOWLEDGE of the history and evolution of the mammalian fauna of Australia was meagre until the recent work of Stirton et al. 1. They located a sequence of faunas in Central Australia, but precise ...
Preface, by O.A. Schaeffer and J. Zähringer.--History of the K-Ar method of geochronology, by F.G. Houtermans.--Determination of radiogenic argon, by T. Kirsten.--Potassium analysis, by O.
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