نتایج جستجو برای: gold mineralization

تعداد نتایج: 95905  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Gregory T Ventura Fabien Kenig Christopher M Reddy Juergen Schieber Glenn S Frysinger Robert K Nelson Etienne Dinel Richard B Gaines Philippe Schaeffer

Highly cracked and isomerized archaeal lipids and bacterial lipids, structurally changed by thermal stress, are present in solvent extracts of 2,707- to 2,685-million-year-old (Ma) metasedimentary rocks from Timmins, ON, Canada. These lipids appear in conventional gas chromatograms as unresolved complex mixtures and include cyclic and acyclic biphytanes, C36-C39 derivatives of the biphytanes, a...

Journal: :Journal of geology, geography and geoecology 2021


 The article describes Reza gold deposit of Ugur exploration area located in Geda- bek Ore District the Lesser Caucasus NW Azerbaijan. It is established that main mineralization consists hematite-barite-quartz-kaoline veins- veinlets and breccia, pyrite stock-stockverk quartz-sulfide veins. On orebody surface center secondary quartzites with vein-veinlets barite-hematite have occured over...

Journal: :Journal of Petroleum Exploration and Production Technology 2021

Abstract In recent years, various geological activities and different mineral prospecting exploration programs have been intensified along the Red Sea hills in order to elucidate maps evaluate potentials. This study is therefore aimed at testing viability of using remote sensing geographic information system (GIS) techniques for mapping gold mineralization area. The area located northeast Sudan...

Journal: : 2023

Background. In this paper, the authors aim to reveal localization patterns of gold mineralization in Phuok Son region Central Vietnam, which formed a Proterozoic-Cambrian metamorphic complex zone Late Paleozoic Benzhang–Queshon granite block. Aim. To determine Phuoc area, Vietnam. Materials and methods. The research was based on geological materials, as well mine working appraisal data. materia...

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