Contribution
Evolutionary trends of gold and tin deposits
Sattran, Vladimir
Global Tectonics and Metallogeny Volume 5 Number 3-4 (1996), p. 135 - 144
19 références bibliographiques
publié: Jan 1, 1996
ArtNo. ESP136000503008, Prix: 19.00 €
Abstract
The time distribution of the most important goldbearing conglomerates and the most important primary gold deposist reveals a major "gold hiatus" - a gap in gold mineralization between 1800 m.y. and 700-600 m.y. Unlike gold, the biggest concentration of which occurred in the Precambrian, the greatest concentration of tin took place in the Phanerozoic. Periodicity in the orogenic processes and granitization produced a certain time and space pattern of the primary gold and tin deposition. The origin of the space and time separation of gold and tin lies probably in the early inhomogeneities of the mantle and in the formation of the granitic parts of the primitive crust.
Mots-clefs
gold • tin deposit • gold hiatus • crust