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Gold deposit types

Major Gold Deposit Types and Exploration process N. N. Singh Indo Gold Mines Private Ltd, 68B Sect-9, HM; Udaipur, India 313001 [email protected] Gold occurs as primary commodity in a wide range of gold deposit types and settings. Three main clans of deposits are now broadly defined, each including a range of specific deposit types with common

  • Gold Deposits and Their Geological Classification
    Gold Deposits and Their Geological Classification

    gold deposit types. There is a need to summarize such information and, more importantly, to attempt to synthesize it into a coherent classifica-tion of gold deposits. The purpose of this paper therefore is to present a summary of the geological attributes of commonly recognized types of

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  • Gold Deposits - SERC
    Gold Deposits - SERC

    Oct 10, 2021 Also described are the different ways that gold deposits form including placer deposits, mesothermal deposits, banded iron formation deposits, epithermal gold-silver deposits, intrusion related breccia-hosted deposits, and by-product gold. Detailed examples from around the world are given for each type of gold deposit

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  • Models and Exploration Methods for Major Gold Deposit
    Models and Exploration Methods for Major Gold Deposit

    Main deposit types and clans The term orogenic has been originally introduced by Groves et al. (1998) in recognition of the fact that quartz-carbonate vein gold deposits in greenstone and slate belts, including those in

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  • Gold Deposits
    Gold Deposits

    Witwatersrand Gold Deposits. A special type of gold deposit is the Witwatersrand goldmine in South Africa, which is by far the biggest gold field in the world. About 40,000 tonnes of gold have already been extracted from it. The Witwatersrand goldmine is identified as a so-called mixed type of primary and secondary gold deposits

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  • Different Types of Gold Placers. Classification of Placer
    Different Types of Gold Placers. Classification of Placer

    Beach Placers-fine gold deposits can be found along the beach sands in many locations throughout the world.Two well-known areas in the United States include the rich deposits of Nome, Alaska and the beaches of Southern Oregon.Gold is either carried to the ocean by rivers and creeks from nearby sources, or eroded directly from wave action along the beaches

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  • INTERACTIVE MAP: World's top 10 gold deposits
    INTERACTIVE MAP: World's top 10 gold deposits

    Apr 04, 2017 Apr 04, 2017 INTERACTIVE MAP: World’s top 10 gold deposits. Fluid ounces. Image: Polyus Gold. To give a true picture of the size and potential of the globe’s largest deposits of gold, MINING.com and sister

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  • Gold Deposits - an overview | ScienceDirect Topics
    Gold Deposits - an overview | ScienceDirect Topics

    Eoin H. Macdonald, in Handbook of Gold Exploration and Evaluation, 2007 2.4.3 Intrusion-related deposits. Most intrusion-related gold deposits are generated above zones of active subduction at convergent plate margins. The margins range from primitive, through mature island arcs to continental margins. Sillitoe (1993) lists a number of important types: gold-rich copper and gold-only porphyry

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  • Orogenic gold deposits: deposit models to exploration
    Orogenic gold deposits: deposit models to exploration

    Orogenic gold deposits, or gold deposits in metamorphic rocks, are the spatially and temporally most widespread gold deposit type, defining important exploration targets in Precambrian shields and in Phanerozoic orogen ic belts. Detailed material for this globally important deposit type will be provided on tectonic and structural controls

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  • Models and Exploration Methods for Major Gold
    Models and Exploration Methods for Major Gold

    Main deposit types and clans The term orogenic has been originally introduced by Groves et al. (1998) in recognition of the fact that quartz-carbonate vein gold deposits in greenstone and slate belts, including those in

    Get Price
  • Models and Exploration Methods for Major Gold Deposit Types
    Models and Exploration Methods for Major Gold Deposit Types

    Gold occurs as primary commodity in a wide range of gold deposit types and settings. In the last decade, significant progress has been made in the classification, definition and understanding of the main gold deposit types. Three main clans of deposits are now broadly defined, each including a range of specific deposit types with common characteristics and tectonic settings

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  • Gold - USGS
    Gold - USGS

    Gold is relatively scarce in the earth, but it occurs in many different kinds of rocks and in many different geological environments. Though scarce, gold is con-centrated by geologic processes to form commercial deposits of two principal types: lode (primary) deposits and placer (secondary) deposits. Lode deposits are the targets for the

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  • GEOLOGY OF SEDIMENTARY ROCK-HOSTED GOLD
    GEOLOGY OF SEDIMENTARY ROCK-HOSTED GOLD

    sedimentary rock-hosted gold deposits in P.R. China. These breccia bodies are conformable with stratigraphic units in the host rock. An example of this is the Shuangwang gold deposit (Fan, S.C. and Jin, Q.H., 1994), which is a large Carlin-type gold deposit in the Qinling area, hosted by stratabound breccia bodies (fig. 29)

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  • Information Handout: Carolina Slate Belt Gold Deposits
    Information Handout: Carolina Slate Belt Gold Deposits

    Efforts now underway will quantify the types of water required for the accumulation of gold in the deposits and the processes that resulted in gold deposition in each. Radiogenic isotope data for lead, strontium, and neodymium show that the gold deposits have different compositions, a feature of considerable importance for successful

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  • World's top 10 gold deposits
    World's top 10 gold deposits

    Aug 07, 2013 Aug 07, 2013 August 8, 2013 at 5:54 pm. It’s very much a truism, that most of the Really big gold deposits are these big multi-element deposits. Penasquito, Metates, Red Chris, Pebble, Bingham Canyon, Batu

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