THE FORECASTING SYSTEM OF GOLD MINERALIZATION IN PRECAMBRIAN COMPLEXES OF UKRAINIAN SHIELDD
Journal Title: Вісник Одеського національного університету. Географічні та геологічні науки - Year 2014, Vol 19, Issue 3
Abstract
Purpose. The goal of this paper is to characterize and evaluate the components of the forecasting system of gold mineralization in Precambrian complexes of the Ukrainian shield based on the systemic and the model approach.Methodology. This paper is based on the materials of the previous forecast studies, including the work of the author, and the results of analysis, interpretation and quantification of the main factors, signs and criteria for gold mineralization.Finding. As the basis of an optimal system of forecasting industrial of gold mineralization in the Precambrian Ukrainian Shield “factors”, “signs” and “criteria” are proposed as the basic categories of the forecast of ore-bearing geological structures. The middle-scale level of prognosis is offered for this purpose, ie at the level of ore districts and fields.To decipher the formation of gold objects we propose a method of geological-genetic interpretation of geological information on these ones. At first it involves the construction of simple geological and genetic models, and then their superposition to form complex models of gold-ore systems as a basis for forecasting real gold objects.The prognosis system involves first creation of middle-scale maps displaying paleolithologic, regional-metamorphic and magmatogenic-ultrametamorphogenical geological factors. Then on the basis of forecast maps performed retrieval evaluation with an analysis of prognosis criteria and search features with distinguishing perspective areas.Results. On the basis of the system and the characteristic of the model approach and evaluation components of the prognosis industrial gold mineralization system in Precambrian complexes of the Ukrainian Shield, which are displayed in the form of two pieces of information – mapping and prognosis-search.
Authors and Affiliations
O. V. Dragomyretskyy
Keywords
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