classification of ore deposits

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Classification of Ore Deposits - College of Science

Modified Lindgren’s classification: Modified in 1985 to conform with Lindgren’s original basis for classification Only the term “epithermal” was retained (Table 3)! Still a very popular classification! Evans (1997): classified ore deposits on the basis of their “Geologic Setting” (Table 4) The classification is very simple, but it ....

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Introduction to Mineral Deposit Models - USGS

An "ore deposit" is a mineral deposit that has been tested and is known to be of sufficient size, grade, and accessibility to be producible to yield a profit (In these days of controlled economies and integrated industries, the "profit" decision may be based on considerations that extend far beyond the mine itself, in some instances relating to the overall health of a national economy)...

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(PDF) ORE DEPOSITS (Ore Geology) - ResearchGate

An ore deposit --: is an accumulation of ore This is distinct from a mineral resource as defined by T he mineral resource classification criteria An ore deposit is one occurrence of the ....

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Ore Minerals : What are Ore Minerals? - Geology Page

04-11-2019· Classification of Ore Minerals Ore Mineral deposits are categorized according to different criteria that have been established through the study of economic geology or mineral genesis Typical are the classifications below Hydrothermal epigenetic deposits Mesothermal lode gold deposits, typified by the Golden Mile, Kalgoorlie...

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ORE DEPOSIT TYPES – Geology Academy

19-05-2018· Ore deposits are crustal concentrations of useful elements that can be exploited at a profit Like all crustal rocks, they consist of minerals formed by geological process Ore deposits can be classified on the basis of: - • Composition of the deposit (contained elements) • Form of the deposit (size, shape, orientation and ore mineral,...

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Gold Deposits and Their Geological Classification

Classifications of ore deposits provide essential frameworks for designing exploration strategies, evaluating prospects, and performing resource assessments of selected areas A rational geological classification of the commonly recognized lode gold...

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classification of iron ore deposits of world

Classification of ore deposits - SlideShare Oct 22, 2017 INTRODUCTION The purpose of any classification is to group similar objects into classes or sets either for convenience, organization , or access , as in a collection ,a library , or a computer data base , or for the purpose of learning more about the items being classified ...

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classification of ore deposits

Classification of ore deposits - SlideShare 22/10/2017 INTRODUCTION The purpose of any classification is to group similar objects into classes or sets either for convenience, organization , or access , as in a collection ,a library , or a computer data base , or for the purpose of learning more about the items being classified ...

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EPITHERMAL AU-AG DEPOSIT TYPES – IMPLICATIONS FOR ,

As ore fluids responsible for the development of the intrusion-related series of sulphide-rich low sulphidation Au-Ag deposits migrate from intrusion source rocks at depth to higher crustal levels, often entrained within circulating cells of meteoric-dominated waters, they progressively deposit mineralisation classed as: quartz-sulphide Au + Cu....

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Classification of Ore Deposits | Nature

PROF NIGGLI has followed his important monograph of 1920 on the function of the volatile constituents in petrology by an interesting essay on their importance in the classification of ore deposits...

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Types of Ore Deposits | Sanuja Senanayake

Types of Ore Deposits April 15, 2013 Sanuja Senanayake Notes: Not all ore deposits will contain secondary minerals The epigenetic (different times) and syngenetic (at the same time) is based on the time frame for the formation of the host rock and the ore Some ores cab ,...

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Mineral Deposits • GeoLearning • Department of Earth Sciences

a) Classification according to environment of formation: Sedimentary, magmatic and metamorphic ore deposits b) Classification according to form or symmetry of the mineral deposit: The symmetry or the form of a deposit gives very defined groups of different locations...

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Classification of Mineral Deposits | Geology for Investors

29-07-2013· The details will be debated until the sun cools, but the broad-brush classification of mineral deposits is generally understood Why Do Classification Systems Matter? Quite simply, if geologists can classify mineral deposits based on rock types, geologic settings and formation conditions, then they can start to make useful predictions of where other similar deposits might be...

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Types of Ore Deposits | Sanuja Senanayake

Types of Ore Deposits April 15, 2013 Sanuja Senanayake Notes: Not all ore deposits will contain secondary minerals The epigenetic (different times) and syngenetic (at the same time) is based on the time frame for the formation of the host rock and the ore Some ores cab ,...

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Classification of Ore Deposit | Igneous Rock | Magma

Ore deposit classifications attempt to group ore bodies which share certain common characteristics Ideally, by grouping similar deposits together we can pool information and learn facts which might be useful in the discovery of similar ore deposits To be useful an ore deposit classification should: •be easily applied in the field...

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Genetic Types, Classifications, and Models of Manganese ,

01-01-2017· Genetic Types and Classification of Manganese-Ore Deposits The scientific literature presents various classifications of deposits of manganese In general plan, four genetic groups of deposits have been identified (see the works of AG Betekhtin, ,...

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Mineral Deposits Mineral Systems and Mineralising Events ,

Mineral deposits are naturally occurring accumulations or concentrations of metals or minerals of sufficient size and concentration that might, under favourable circumstances, have economic value Economic concentrations of metals or other mineral commodities are known as ore Mineral resources are naturally occurring concentrations of minerals ....

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Mineral Ore Deposits: Meaning, Origin and Types | Geology

Classification of ore deposits - SlideShare...

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EPITHERMAL AU-AG DEPOSIT TYPES – IMPLICATIONS FOR ,

As ore fluids responsible for the development of the intrusion-related series of sulphide-rich low sulphidation Au-Ag deposits migrate from intrusion source rocks at depth to higher crustal levels, often entrained within circulating cells of meteoric-dominated waters, they progressively deposit mineralisation classed as: quartz-sulphide Au + Cu....

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Classification Of Ore Deposits - muenchen-fitde

Classification Of Ore Deposits profNiggli has followed his important monograph of 1920 on the function of the volatile constituents in petrology by an interesting essay on their importance in the classification of ore deposits If you want to learn about our products , ,...

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ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS KG ,

1 Ore Deposits ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS KG McQueen CRC LEME, Australian National University, Canberra, ACT 0200 and School of REHS, University of Canberra, ACT 2601 INTRODUCTION Ore deposits are crustal concentrations of useful elements that can be exploited at a profit Like all crustal rocks, they consist of minerals...

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A classification scheme for ore deposits best ,

A classification scheme for ore deposits There are many different way of categorizing ore deposits, and the best classification schemes are probably those that remain as independent of genetic linkage as possible these are: Igneous, Metamorphic, and Sedimentary ore deposits (Fig 1, a, b)...

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Reading: Ore Genesis | Geology

Often ore deposits are classified after examples of their type, for instance Broken Hill type lead-zinc-silver deposits or Carlin–type gold deposits Classification of hydrothermal ore deposits is also achieved by classifying according to the temperature of formation, which roughly also correlates with particular mineralising fluids, mineral associations and structural styl...

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classification of ore deposits

Classification of ore deposits - SlideShare 22/10/2017 INTRODUCTION The purpose of any classification is to group similar objects into classes or sets either for convenience, organization , or access , as in a collection ,a library , or a computer data base , or for the purpose of learning more about the items being classified ...

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Ore Minerals : What are Ore Minerals? - Geology Page

04-11-2019· Classification of Ore Minerals Ore Mineral deposits are categorized according to different criteria that have been established through the study of economic geology or mineral genesis Typical are the classifications below Hydrothermal epigenetic deposits Mesothermal lode gold deposits, typified by the Golden Mile, Kalgoorlie...

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Epithermal Gold Deposits : their characteristics & modeling

Ore deposits: Classification vs Modeling Each ore deposit is unique like a person’s finger print This uniqueness arises out of : ¾fundamental differences in processes and environments ¾local, site-specific geologic variations And produces an extremely large variation in characteristics ¾If we group the deposits according to their characteristics, we get a...

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Types of Ore Deposits | Sanuja Senanayake

Types of Ore Deposits April 15, 2013 Sanuja Senanayake Notes: Not all ore deposits will contain secondary minerals The epigenetic (different times) and syngenetic (at the same time) is based on the time frame for the formation of the host rock and the ore Some ores cab ,...

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(PDF) ORE DEPOSITS (Ore Geology) - ResearchGate

An ore deposit --: is an accumulation of ore This is distinct from a mineral resource as defined by T he mineral resource classification criteria An ore deposit is one occurrence of the ....

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Mineral deposits: Classification | SpringerLink

Mineral deposits: Classification Ore deposits are of such infrequent and random occurrence, of such modest size, and so different in composition in comparison with the generality of rocks, that they probably require an uncommon sequence of geologic happenings to bring about their formation...

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Lecture 1 - Ores and Ore Minerals - unaleduco

Understand the three-fold subdivision of ore deposits according to mode of formaton; Topics 11 Classification of metals 12 What is an ore? 13 Ore minerals 14 Primary and secondary ores 15 The grade of an ore 16 Size-grade characteristics 17 Form of the ore 18 Setting of an ore 19 Origin of ore deposits 20 Minerals and Plate tectonics...

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