Abstract Orogenic gold deposits, though construed to focused fluid flow during orogenesis, commonly post-date the main accretionary events. Several lines of evidence indicate that orogenic formation in Arabian–Nubian Shield continued through orogen collapse stage and associated rapid exhumation thermal re-equilibration. The Gidami deposit Eastern Desert Egypt is with post-foliation, brittle-duc...

The Hongqiling is a vein-type Sn-W polymetallic deposit in southern Hunan (South China). It geologically located on the northern margin of Nanling metallogenic belt. Based mineral assemblage and vein crosscutting relationship, three mineralization stages were identified: (S1: cassiterite, wolframite, scheelite, arsenopyrite, molybdenite, pyrite, chalcopyrite, quartz), Pb-Zn (S2: pyrrhotite, gal...

The Xiawolong gold deposit, located in the Muping–Rushan metallogenic belt (eastern Jiaodong Peninsula), is a newly discovered deposit that developed late Early Cretaceous as fine-grained granite. Gold mineralization, which mainly occurs middle of fresh granite dikes, consists stockwork-style and disseminated ores. They are characterized by middle-high-temperature mineral assemblages, such moly...

Mafic pegmatites have been reported from various geological environments, including ophiolites, layered magmatic intrusions, and volcanic arcs, but their petrogenesis stayed poorly constrained. This study brings new mineralogical geochemical data obtained unzoned zoned gabbroic hosted by the 1.8 Ga mafic-ultramafic Hamn intrusion, Northern Norway, with an aim to improve our understanding of pri...

Qaleh-Zari is a Fe-oxide Cu-Ag-Au vein type deposit located 180 km south of Birjand, in eastern Iran. Host rocks are mainly Tertiary calc-alkaline to K-rich calc-alkaline with transition to shoshonitic andesite and andesitic basalts, but in the central part shale and sandstone of Jurassic age. Andesitic rocks from the western region of Qaleh-Zari were dated to 40.5 ± 2 Ma. Four trends of faults...

Abstract The Xiong’ershan district in central China hosts broadly coeval porphyry Au (Qiyugou deposit), Mo (Leimengou and barren (Huashan pluton) systems. key controls on the ore potential different mineralization styles these systems are not well understood, with first-order differences fluid chemistry melt sources being main alternatives. inclusion characteristics of all three have been studi...

qaleh-zari is a fe-oxide cu-ag-au vein type deposit located 180 km south of birjand, in eastern iran. host rocks are mainly tertiary calc-alkaline to k-rich calc-alkaline with transition to shoshonitic andesite and andesitic basalts, but in the central part shale and sandstone of jurassic age. andesitic rocks from the western region of qaleh-zari were dated to 40.5 ± 2 ma. four trends of faults...

Ore precipitation in mineral deposits formed the upper parts of a porphyry system, at shallow crustal level (< 1.5 km), such as epithermal Au-Ag-(Cu)-(As) and polymetallic is often triggered by fluid cooling and/or mixing between fluids from different sources. Commonly, deposits, two main sources are identified deeply sourced magmatic meteoric water stored surficial aquifer. Oxygen hydrogen iso...