The recognition of the nature of primary and secondary dispersion halos and trains associated with mineral deposits. Although haloesand trains were known for centuries to be associated with metal deposits, the work carried out in the U.S.S.R and Scandinavia in the 1930's and early 1940's systematised the data and permitted it to be used in the most …
The Purpose of this secction is to describe those aspects of the evolution of the Australian landscape and of the present environment that are important to the understanding of geochemical dispersion. Parts of the landscape are the result of over 250 m.y. of subaerial exposure. Permian glaciation allowed a"fresh start" to landscape evolution in much…
Enormous advances have been made, and a phenomenal increase in available data has occurred, in the field of expliration geochemistry in the past two decades. The pace has been so fast that it has been largely impossible too keep abreast of new developments and the expanding data base. EVEN MORE CRITICAL, MANY OF THOSE WHO HAVE entered the field rece…