ore deposit classification

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Oct 22, 2017 · Schneiderhöhn Classification •Schneiderhöhn also considered only mineral deposits related to magmatic processes. •Four main classes are recognized depending on the nature of the ore-bearing fluids: intrusive and liquid-magmatic (magma), pneumatolytic (gases under high temperature-pressure conditions), hydrothermal (aqueous solutions), and ...

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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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CLASSIFICATION OF ORE DPOSITS. a) Basing on the nature and morphology b) Basing on the origin/ Genesis c) Basing on the temperature of formation (PT Conditions) d) Basing on the mineral composition CLASSIFICATION BASING ON THE MORPHOLOGY/SHAPE Regular Discordant Ore-bodies Tubular mineral deposits, these are ore bodies which are extensive in two dimensions, but have restricted

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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)

CLASSIFICATION OF DEPOSITS - Earth Sci

This subdivision, or classification, can be based on a number of criteria, such as minerals or metals contained, the shape or size of the deposit, host rocks (the rocks which enclose or contain the deposit) or the genesis of the deposit (the geological processes which combined to form the deposit).

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Sep 17, 2017 · Classification of Ore Deposits By Abdul Bari Qanit M.Sc. Geology. 2. Based on the Relation with host-rock 1. SyngeneticOreDeposits 2. EpigeneticOreDeposits. 3. Syngenetic Ore Deposits Ore deposits which are formed as the same time as the enclosing rock, are called “Syngenetic Ore Deposits”. Sedimentary Ore Deposits are the example of ...

Mineral deposits: Classification | SpringerLink

高达10%返现 · 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

ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS

ORE DEPOSIT TYPES 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 distribution). • Associated host rocks or geological structures (ore associations). • Interpreted genesis of the deposit (processes, controls).

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 ...

Classification Of Ore Deposit [14308wzjwg4j]

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 •permit ...

Classification of Ore Deposits | Rock (Geology) | Minerals

CLASSIFICATION OF ORE DPOSITS. a) Basing on the nature and morphology b) Basing on the origin/ Genesis c) Basing on the temperature of formation (PT Conditions) d) Basing on the mineral composition CLASSIFICATION BASING ON THE MORPHOLOGY/SHAPE Regular Discordant Ore-bodies Tubular mineral deposits, these are ore bodies which are extensive in two dimensions, but have restricted

CLASSIFICATION OF ORE DEPOSITS 1.ppt - 2.1 CLASSIFICATION ...

background • Why the need for classification? – Number of mineral deposits are large • Iron ore deposits; pyrometasomatic deposit, banded iron formation (BIF), ironstones, etc • Igneous deposits; hydrothermal, magmatic, etc • Secondary deposits:Bauxite, laterite, alluvial, etc – Classification is a requirement in scientific work • As done in other branches of science e.g. botany ...

ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G ...

ORE DEPOSIT TYPES 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 distribution). • Associated host rocks or geological structures (ore associations). • Interpreted genesis of the deposit (processes, controls).

Mineral Deposit Models - USGS

constitute the ore fluid. In any event, the dolomite is a powerful ore guide and belongs somewhere in the “final model.” CLASSIFICATION OF MODELS USED IN THIS COMPILATION For the purpose at hand the classification scheme has two requirements: (1) it must be open so that new types of deposits can be added in the future,

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 ...

(PDF) Genetic Classification of ore-forming processes

The existing genetic mineral deposit classifications has developed and embraced the genetic classification of ore-forming processes in accordance with system theory, structured taxons revealing ...

Ore Deposits- Genetic classification (ch 6) Flashcards ...

Start studying Ore Deposits- Genetic classification (ch 6). Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Gold Deposit Classification: List of 10 Types of Gold Deposits

Sep 14, 2015 · Gold Deposit Classification: List of 10 Types of Gold Deposits. Auriferous porphyry dykes, sills, and stocks ; Auriferous pegmatites; coarse-grained granitic deposits + albitite. Carbonatites and carbonatite-related deposits. Auriferous skarn and gold skarn type deposit. Gold/Silver and vise-versa veins, lodes, mineralized pipes and irregular ...

(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 ...

IOP Conference Series: Earth and Environmental Science ...

description of mineral deposits. The existing genetic mineral deposit classifications has developed and embraced the genetic classification of ore-forming processes in accordance with system theory, structured taxons revealing the nature of the processes and the basis- information source of these processes. The base

Waldemar Lindgren | American geologist | Britannica

Waldemar Lindgren, Swedish-born American economic geologist noted for a system of ore classification that he detailed in his book Mineral Deposits (1913). Lindgren graduated in 1882 as a mining engineer from the Freiberg Mining Academy in Germany. Following a year of

Genetic Types, Classifications, and Models of Manganese ...

Jan 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 A.G. Betekhtin, N.P. Kheraskov, N.S. Shatskii, S. Park, S. Roy, I.M. Varentsov, V.P. Rakhmanov, V.K. Chaikovskii ...

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 ...

Classification of Ore Deposit | Igneous Rock | Statistical ...

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.

OTHER REAL ESTATE Section 3 - Federal Deposit Insurance ...

Deposit Method.....4 VALUATIONS AND CLASSIFICATION.....4 ORE VALUATION ALLOWANCE.....4 RMS Manual of Examination Policies 3.6-1 Other Real Estate (3/12) Federal Deposit Insurance Corporation . OTHER REAL ESTATE Section 3.6 OTHER REAL ESTATE Other real estate (ORE) consists of real property held for ...

Mineral Deposit Models - USGS

constitute the ore fluid. In any event, the dolomite is a powerful ore guide and belongs somewhere in the “final model.” CLASSIFICATION OF MODELS USED IN THIS COMPILATION For the purpose at hand the classification scheme has two requirements: (1) it must be open so that new types of deposits can be added in the future,

Classification, Distribution and Uses of Ores and Ore Deposits

Oct 04, 2011 · Classification, Distribution and Uses of Ores and Ore Deposits. 1. University of Grenoble Grenoble France. 2. University of Nice Nice France.

Orogenic gold deposits: A proposed classification in the ...

Apr 01, 1998 · Most classifications scattered the deposits among the mesothermal and hypothermal regimes of Lindgren (1933). Others, such as Bateman (1950), divided these deposits into groups within a very broad `cavity filling' type of epigenetic ore deposit. Hence, many Archaean lodes were classified as fissure filling type deposits, Otago was a shear zone ...

Classification of Mineral Deposits | Geology for Investors

Jul 29, 2013 · There are two main approaches to mineral deposit classification. The descriptive models are a more objective label, which describes the rocks and tectonic setting of the deposit. These have now evolved to what is known as a genetic model, which includes theories on deposit formation as well as the physical properties of the mineral deposit.

Classification of ore deposits - es.slideshare.net

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 . The study of ore deposits through the last century has required and ...

Geological Classification of Uranium Deposits and ...

This publication defines a new classification scheme, which is simple and descriptive, but flexible enough to encompass the recent advances in our understanding of uranium geology and deposit genesis. It contains improved definition of the deposit types, supported by type examples of those deposits for which good data are available, but not ...

Ore Minerals : What are Ore Minerals? - Geology Page

Nov 04, 2019 · A variety of geological processes form ore bodies. The formation of the ore process is called the genesis of the ore. 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.

2. Classifications of Ore Deposits - YouTube

Courses and Code-Crystallography, Mineralogy and Economic Geology(BGYCT-133)Ore Geology and Industrial Minerals(BGYET-141)

A new classification of the gold deposits of Egypt

other ore deposit types. It occurs in some Algoma-type Banded Iron Formation deposits such as at Abu Marawat (Botros, 1991, 1993b, 1995a) and in the Um Nar area (Dardir and Elshimi, 1992). Minor concen-trations of gold occur also in the volcanogenic Zn– Cu–Pb massive sulphide deposits of Um Samuki area (Searle et al., 1976).

Classification, Distribution and Uses of Ores and Ore ...

Classification, Distribution and Uses of Ores and Ore Deposits 2.1 Classifications of Ores. Download. Related Papers. ORE DEPOSITS OF NIGERIA: DISTRIBUTION AND TYPES. By Timileyin Ayomide Olanipekun. Ore Geology and Industrial Minerals An Introduction. By NAIYAR IMAM. Earth Processes and Resources.

Rare Earth Element Deposits | Geology for Investors

Jul 26, 2013 · REE Ore Deposit Classification. REE deposits appear in a wide variety of geological environments. Those who design ore classification systems, struggle with the classification of REE deposits. The most economically important REE deposits include in order of current production importance: alkaline igneous rocks: pegmatites and carbonatites ...