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Геохимические критерии и термодинамические условия локалиции золоторудной минерализации Северо-Восточного склона Енисейского кряжа

Геохимические критерии и термодинамические условия локалиции золоторудной минерализации Северо-Восточного склона Енисейского кряжа

Abstract

Проведен сбор, анализ и обобщение материалов по геологии и золотоносности Северо-Восточного склона Енисейского кряжа. Построена схема металлогенического районирования исследуемой территории, выделены потенциальные золоторудные узлы и рудно-геохимические зоны. Дана характеристика геохимических полей, состава вмещающих пород и околорудных изменений в пределах золотоносных зон трех потенциальных рудных узлов (Нижне-Чиримбинский, Вангашский и Иочиминский). На основе изучения газово-жидких включений в кварце из рудноминерализованных зон изученных узлов установлен состав рудоносных флюидов и термодинамические условия протекания рудного процесса. Показано постепенное уменьшение температур и давлений рудогенных растворов по мере удаления изучаемых объектов к востоку ареала от гранитных интрузий и Ишимбинского глубинного разлома. Даны рекомендации на постановку поисковых работ на рудное золото.

Gathering, analysis and generalization of geology and gold mineralization information of the northeastern slope of the Yenisei Ridge was carried out. Metallogenic scheme of the investigated area was built. Prospective gold mining areas and ore-geochemical zones were identified. The characteristics of geochemical fields of the host rocks and near-ore changes within the three zones of gold potential ore clusters (Nigne-Chirimbensky, Vangashsky, Iochiminsky) were described. The composition of ore-bearing fluids and thermodynamic conditions of the ore process are defined by the study of gas-liquid inclusions in quartz from the studied ore clusters. Temperature and pressure gradual decreasing in ore-bearing solutions at a distance increasing of objects to the east of the area from granitic intrusions and deep fault Ishimbinski is shown. Recommendations for gold ore prospecting are given.

Keywords

ДАВЛЕНИЕ, ТЕМПЕРАТУРА, ОРУДЕНЕНИЕ АНОМАЛИИ, ПОТЕНЦИАЛЬНЫЕ РУДНЫЕ УЗЛЫ, МЕТАЛЛОГЕНИЧЕСКОЕ РАЙОНИРОВАНИЕ, ЕНИСЕЙСКИЙ КРЯЖ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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