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Stable isotopes (H, C, O) and 3D fluid flow modeling

The Augmitto-Bouzan deposit is a 12 km long segment of the Larder Lake-Cadillac Deformation Zone (LLCDz) south of Rouyn-Noranda (Québec, Canada) that is characterized by an uneven gold distribution hosted in quartz-carbonate ± tourmaline veins within Piché Group ultramafic rocks. This study compares the fluid flow conditions …

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Timing of mineralization at the Shihu gold deposit in the …

The Shihu gold deposit, located in the middle-south section of the core of the Fuping mantle branch structure, is hosted in the Archean Fuping Group and adjacent to the quartz diorite porphyrite.

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A review of the geological characteristics and spatiotemporal

Gold and Cu deposits are developed in the CAOB (Lobanov et al., 2014, Pirajno et al., 2011, Seltmann et al., 2014, Soloviev et al., 2022a, Soloviev et al., 2022b, Yakubchuk et al., 2005, Daukeev, 2004), but there are relatively fewer Cu–Au deposits in the XCAOB.Although a lot of results have been achieved of Cu–Au deposits in the …

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Regional structural control on the distribution of world‐class gold …

In the northwestern segment of the Jiaobei Terrane, the world-class gold deposits of Sanshandao in the west, through Jiaojia, to Linglong in the east define a broadly E–W corridor. This corridor links a series of east-verging jogs on ore-controlling NNE-trending oblique-slip faults that are subparallel to an lithospheric-scale Tan-Lu …

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Formation of orogenic gold deposits by progressive …

The Garrcon gold deposit (20.6 million tonnes of ore containing 636,000 oz Au 31) is located in the Garrison camp near the provincial border between Ontario and …

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The Hemlo gold deposit, Ontario, Canada: principal deposit

1.. IntroductionThe Neoarchean Hemlo gold deposit (HGD) is Canada's third largest lode gold deposit, with up to 760 tonnes of contained gold in 95 million tonnes of ore averaging 8.0 g/t (based on Schnieders et al., 2000).Supplementary data for the central part of the deposit include: average Ag and Mo content of 1.5 g/t and 0.10%, …

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Intrusion-related gold deposits within the New Brunswick segment …

These gold deposits/occurrences, which typically exhibit a Au-As-Sb +/- Bi +/- W +/- Mo metal association, form a variety of mineralization styles that are characteristic of intrusion-related gold ...

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The structure of shear-related, vein-type gold deposits: A …

The structure of vein-type gold deposits is defined by the shapes and geometrical relationships of mineralized bodies, the form of the mineralization making up these bodies, and the sequence of vein-forming events. ... External form of shear zones Most shear zones comprise an array of differ- ently-oriented segments such that as a …

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Characteristics and origin of sediment-hosted disseminated gold

Sediment-hosted disseminated gold (SHDG) deposits comprise a major portion of the gold production and reserves in the US. Although presently known to be common only in western North America, SHDG deposits are a significant source of world gold production. These deposits are characterized by extremely fine-grained …

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Log-uniform distribution of gold deposits along major …

The location of potentially unrecognized gold deposits in the close vicinity of the Cadillac–Larder Lake Fault Zone in the Archean Abitibi Subprovince (Canada) is predicted by applying a stochastic approach to the distribution of known gold deposits. The methodology uses the distances between neighboring orogenic gold deposits along the …

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3. Geology of the Shihu gold deposit

The Early Cretaceous Shihu gold deposit is located in the northern segment of the Taihang Tectonic belt, which extends across the central part of the North China Craton. The deposit is hosted predominantly by the Archean metamorphic crystalline units, and is spatially and temporally related to quartz diorite porphyry present …

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An introduction to Recent Advances in …

Gold remains a key financial commodity but, in addition, several hundreds of metric tonnes of gold is needed annually for industrial applications, most important of which are electronic components and medicine (Corti and …

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Combined Effect of Organic Carbon and Arsenic on the …

Sediment-hosted deposits represent an important part of gold resources on Earth. Examples of mineralization in siliciclastic sedimentary rocks that contain gold as the main product or by-product can be found in at least six (orogenic, porphyry, epithermal, Carlin-type, reduced intrusion-related, and volcanogenic massive sulfide) out of the 11 …

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Gold Deposits in the USA Interactive Map

These type of gold deposit is most commonly associated with small amounts of disseminated pyrite or pyrrhotite in well-developed quartz veins. These deposits have a world production of at least 9,900 m.t., and …

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Geometry and origin of supergiant gold deposits in the Jiaodong gold

Jiaojia supergiant gold deposit is located in the middle–south segment of Jiaojia fault. Meanwhile, more than ten gold deposits, including Xincheng, Qujia, Hedong and Hexi, are controlled by this major fault and its secondary faults.

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Distribution of the different types of gold …

Producing a prospectivity map for gold deposits using GIS requires an understanding of the gold mineral system (Groves et al., 2022Ridley and Diamond 2000;Goldfarb et al. 2005;Phillips and Powell ...

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LA-ICP-MS zircon dating and geochemical characteristics of …

The Dashuigou gold deposit is located in the middle segment of Eastern Kunlun, and nine orebodies were delineated in the west of the Dashuigou gold deposit. In combination with geochemical ...

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Gold Deposits and Their Geological Classification

The development of a simple classification scheme for gold deposits, as presented here, has been approached with a full appreciation that there are many difficulties associated with classification of ore deposits in general. In the case of lode gold deposits, contrasting classifications and nomenclatures have been arrived at historically ...

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Structural geometry of orogenic gold deposits: Implications …

The genesis of vein-type to disseminated gold deposits, broadly classified as orogenic gold deposits (Groves et al., 1998, Goldfarb et al., 2005) has remained controversial.The genetic models for these deposits were evaluated in a recent review …

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Mantle-rooted fluid pathways and world-class gold …

The Jiaodong gold province is situated to the east of the lithosphere-penetrating Tan-Lu fault, in the transitional zone between the North China Craton and the Yangtze Craton (Fig. 1; Deng et al., 2003).This region represents a significant segment of the western Pacific metallogenic domain, with its structural and magmatic evolution …

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Business Wakala Deposit ... ADIB Gold. ADIB Gold Banking is our exclusive banking proposition, where we offer expert financial advice along with a host of lifestyle benefits. Accounts. Your ADIB Gold Account is packed with features and benefits designed to make your day-to-day banking as simple as possible.

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Gold Deposits Related to Reduced Granitic Intrusions

THIS Gold in 2000volume is organized around a classification of hypogene gold deposits that emphasizes their tectonic setting and relative time of formation …

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(PDF) Sediment-Hosted Gold Deposits in Southeast Asia

Sediment‐hosted gold (SHG) deposits are becoming more widely recognized in the Southeast Asian region. They are characterized by very fine‐grained gold, typically occurring in stratabound ...

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Barren ground depressions, natural H2 and orogenic gold deposits

The gold deposits studied here with nearby ground depressions (black dots) are numbered with a label indicating the country of origin. The location of circular depressions with low tree density ... (Burkina Faso; Gaboury, 2013) and the central segment of the Keraf suture (Sudan; Gaboury et al., 2020). These gold deposits are …

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(PDF) Diversity of Gold Deposits, Geodynamics …

Gold occurs in a wide range of deposit types and settings. In the last decade, significant progress has been made in the definition, classification, characterization, thereby aiding understanding of the main gold deposit …

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Diversity of Gold Deposits, Geodynamics and Conditions of …

Distribution of the different types of gold deposits within a segment of crust (modified from [71] . Figure 7. (a) Distribution of orogenic gold deposits; (b) Evolution of the growth of the continental crust over geologic time (modified after [5] [72] ). The grey bands represent the distribution of the supercontinents after [73] .

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Mineralization ages of quartz vein-type gold deposits

Based on an analysis and summary of available age data from gold deposits in the Xiaoqinling and other relevant areas, combined with a study of the tectonic evolution of east China, the authors suggest that the major ages of gold mineralization in the Xiaoqinling area range from ca. 130 to 120 Ma.