Results 111 to 120 of about 8,412 (231)

Fusing satellite imagery and ground geochemical data to map alteration zones for gold exploration in western Nigeria

Egyptian Journal of Remote Sensing and Space Sciences
As alteration mapping is vital in identifying signatures of specific mineral deposits, this study aimed to map alteration zones associated with orogenic gold mineralization in the Wawa area using remote sensing and geochemical data.
S.A. Alimi, E.J.M. Carranza
doaj   +1 more source

Occurrence Characteristics of Gold and the Typomorphic Characteristics of Pyrite in the Yizhuxiang Gold Deposit of the Daduhe Metallogenic Belt

Kuangchan zonghe liyong
[Objective] Orogenic gold deposit is widely developed in the Daduhe gold metallogenic belt. The Yizhuxiang gold deposit is one of the representative medium-sized deposits in the Daduhe gold metallogenic belt.
Haijun ZHANG, Tianqi MA, Wenhao ZHAO, Cuihua CHEN, Shuyue LIU, Xiaokong LIU, Rendong DENG   +6 more
doaj   +1 more source

Research dynamics and frontier trends of orogenic gold deposits: a knowledge map based on bibliometrics

Frontiers in Earth Science
Orogenic gold deposits represent a vital component of global gold reserves, functioning as both significant sources of gold and essential indicators for understanding crustal metallogeny within collisional tectonic environments.
KeXin Liu, Nan Jiang, YongQiang Zhang
doaj   +1 more source

Genesis of Gold Mineralization at Rodruin Prospect, Eastern Desert, Egypt: Evaluating Metamorphic vs. Magmatic Fluid Contributions

Resources
This study investigates the genesis of gold mineralization at the Rodruin prospect in the central Eastern Desert (CED) of Egypt, with the aim of constraining the relative contributions of metamorphic and magmatic fluids to ore formation.
Abdelhalim S. Mahmoud, Hanaa A. El-Dokouny, Mai A. El-Lithy, Ali Shebl, Maher Dawoud, Farouk Sayed, Mohamed M. Ghoneim   +6 more
doaj   +1 more source

Structural Architecture of the Cenozoic Kallianos (Post‐?)Orogenic Vein‐Hosted Au‐Ag‐Te Deposit and Its Relationship to the North Cycladic Detachment System, Greece

Geochemistry, Geophysics, Geosystems
The Kallianos Au‐Ag‐Te deposit is a Cenozoic orogenic‐style deposit on Evia, hosted in the Cycladic Blueschist Unit. Integrated field observations and isotopic data illustrate a connection between the structural architecture that hosts mineralization in ...
L. Hamel, T. A. Ducharme, D. A. Schneider, B. Grasemann   +3 more
doaj   +1 more source

Pop-down tectonics, fluid channelling and ore deposits within ancient hot orogens

, 2014
International audienceMany Archaean and Paleoproterozoic deformation zones, often rich in ore resources, show particular structural patterns in particularmarked by regional vertical stretch.
Boulvais, Philippe, Cagnard, Florence, Gapais, Denis, Jaguin, Justine   +3 more
core   +3 more sources

Geological and S–Pb–He–Ar isotope constraints on the origin of the Muping–Rushan gold belt, Jiaodong Peninsula, eastern China

BSGF - Earth Sciences Bulletin
The Muping–Rushan gold belt is one of three gold mineralization belts in Jiaodong Peninsula, eastern China, comprising between the Sulu ultrahigh-pressure metamorphic belt and North China Craton. This study investigates the source of gold and ore-forming
He Jiang-Tao, Li Jun-Jian, Liu Long-Long, Tian Jie-Peng, Man Rong-Hao, Shi Guang-Yao, Wang Chen-Guang, Feng Zhao   +7 more
doaj   +1 more source

Primary Controlling Factors of Apatite Trace Element Composition and Implications for Exploration in Orogenic Gold Deposits

Geochemistry, Geophysics, Geosystems
Significant and readily accessible orogenic gold deposits have been previously recognized, exploited, and progressively depleted. Innovative approaches are required to discover new and deeply buried deposits. Recently, trace element variations in apatite
Genshen Cao, Huayong Chen, Yu Zhang, Weipin Sun, Junfeng Zhao, Hongtao Zhao, Hao Wang   +6 more
doaj   +1 more source

Primary Au prospecting results in the Logrosán area (Central Iberian Zone, Spain). [PDF]

The Central Iberian Zone presents an exceptional geological interest for its great exploration potential for a number of elements including gold. Metallogeny within the area is mainly related to regional metamorphism and late magmatic activity during the
Alexeev, Viktor, Cheremazova, Ekaterina, Galankina, Olga, Mikhailov, Alex, Novoselov, Konstantin, Skublov, Sergey   +5 more
core   +2 more sources

International Field Excursion and Workshop on Tectonic Evolution and Crustal Structure of the Paleozoic Chinese Tianshan [PDF]

, 2009
International audienceThe Institute of Geology and Geophysics of the Chinese Academy of Sciences, in Beijing, together with the Xinjiang 305 Project, in cooperation with International Lithosphere Program (ILP) CC-1/4 Projects TOPOCENTRAL- ASIA, ERAS ...
Charvet, Jacques, Chen, Yan, Faure, Michel   +2 more
core   +1 more source