ore deposits and ore minerals ppt

Classification of ore deposits - SlideShare

2017-9-17  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

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Textures of Ore Deposits - BU

2020-8-4  Textures of Ore Deposits Importance of studying textures Textural identification and interpretation for ore deposits and associated gangue minerals are tools necessary for understanding the processes involved in the genesis of these deposits, which in turn is very important for prospecting for other similar economic bodies.

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ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS

2005-8-17  1 Ore Deposits ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G. 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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ORE MINERALOGY - EOLSS

2020-8-18  metalliferous products. The microscopic investigation of these ore minerals is thus of high priority for anybody involved in the prospecting of ore-mineral deposits, the extraction of these minerals (i.e., the mining industry), in their refractory and metallurgical treatment, and for those responsible for the final products. From 1920 ore

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PowerPoint Presentation

2009-5-4  Times New Roman Helvetica-Bold Times-Roman Default Design Iron Oxide Cu Au Deposits (I.O.C.G.) PowerPoint Presentation Characteristics of IOCG systems Mineralization IOCG Deposit Types PowerPoint Presentation IOCG Deposit Types PowerPoint Presentation IOCG Deposit Types PowerPoint Presentation IOCG Deposits Kiruna, Sweden IOCG Ore

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Iron and Manganese Ore Deposits: Mineralogy,

2020-8-18  The majority of ore deposits of both iron and manganese are of sedimentary origin. At present, high-grade iron ore deposits formed by hydrothermal and supergene enrichment of Proterozoic banded iron formations constitute the most important source for iron ores, with only some magmatic and skarn-type iron ore deposits being mined.

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PowerPoint Presentation

2020-7-13  Ore Reserve. Classified based on what is known about the mineral resource + “modifying factors” Factors include mining, metallurgic, economic, environmental, marketing, legal, political, and social considerations. Probable. Some confidence ore is there, some uncertainty in modifying factors mine could be successful, but there is still some risk

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MINERALS AND POWER RESOURCES

2019-7-1  Metallic minerals contain metal in raw form. Metals are hard substances that conduct heat and electricity and have a characteristic lustre or shine. Iron ore, bauxite, manganese ore are some examples. Metallic minerals may be ferrous or non-ferrous. •Ferrous minerals like iron ore, manganese and chromites contain iron.

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AA Ore Reserves and Mineral Resources 2017 - Anglo

2019-5-23  Mineral Resources. The estimates of Ore Reserves and Mineral Resources are stated as . at 31 December 2017. The figures in the tables have been rounded, and if used to derive totals and averages, minor differences with stated results could occur. The Ore Reserves and Mineral Resources Report 2017 should be

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ME551/GEO551 INTRODUCTION TO GEOLOGY OF

2014-1-29  An ore deposit is a well-defined mineral deposit that has been tested and found to be of sufficient size, grade, and accessibility to be extracted (i.e. mined) and processed at a profit at a specific time. Thus, the size and grade of an ore deposit changes as the economic conditions change. Ore refers to industrial minerals as well as metals.

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AA Ore Reserves and Mineral Resources 2017 - Anglo

2019-5-23  Mineral Resources. The estimates of Ore Reserves and Mineral Resources are stated as . at 31 December 2017. The figures in the tables have been rounded, and if used to derive totals and averages, minor differences with stated results could occur. The Ore Reserves and Mineral Resources Report 2017 should be

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Mineral Exploration: Discovering and Defining Ore

Mineral Exploration: Discovering and Defining Ore Deposits Dan Wood, AO; Dan Wood, AO (SEG F), W.H. Bryan Mining and Geology Research Centre, Sustainable Minerals Institute, University of Queensland, Brisbane, Queensland 4072, Australia † ...

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GY 111 Lecture Note Series Economic Geology

2010-8-19  Any mineral that has economic potential (i.e., it makes someone money), is defined as an economic mineral. All of the minerals listed in table 1.5 are economic ... Lead-Zinc Ore deposits (MVT ores). The mechanism of formation is remarkably similar to that of the other hydrothermal deposits. Groundwater seeps downward through

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Preliminary Model of Porphyry Copper Deposits

2008-10-9  Ore minerals occur as disseminations and in stockworks of veins in hydrother-mally altered, shallow intrusive complexes, often porphyritic, and in adjacent country rocks. This model covers all porphyry-style copper deposits and includes copper-molybdenum, copper-molybdenum-gold, and copper-gold subtypes that are some-

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(PDF) Introduction to Sedimentary Ore Deposits

Sed. Ore Deposit Env. 10. Introduction. The process of sedimentation as disti nct from evaporation has resulted not only in the. formation of common sedimentary rocks but also in valuable mineral ...

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Mineral Ore Deposits: Meaning, Origin and Types Geology

2022-1-6  Mineral deposits may occur independently forming layers and bodies of different shapes extending for many kilometers in areal extent and upto many meters in depth. Sedimentary deposits of iron oxides and hydrous aluminum oxide are of this type. In other cases, the ore deposits (or more precisely ore minerals) may be present in an enclosing rock ...

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Vein Mineral Deposits - Mineral Processing Metallurgy

2016-10-4  Vein Mineral Deposits includes a considerable variety of ore deposits formed under various conditions by the concentration of the ore from the molten rock in process of cooling, and its subsequent deposition in fissures and joints,

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Minerals Free Full-Text Structural Control of Ore ...

2019-1-17  The major role played by pre-existing structures in the formation of vein-style mineral deposits is demonstrated with several examples. The control of a pre-existing decollement level on the formation of a crustal extension-related (collapse) gold deposit is first illustrated in the Quadrilátero Ferrífero from Brazil. Shear zone and decollement structures were also examined

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SKARN DEPOSITS - Earth Sci

2017-6-26  The distal massive sulfide ore body (Renison Bell) is a major ore deposit and the proximal skarn body (Pine Hill) has not and probably never will be mined. Einaudi et al. (1981) emphasized that there is a common thread linking

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1 IRON ORE DEPOSITS OF INDIA

2019-9-2  Hematite and magnetite are the most important ore minerals in the Indian iron ore deposits. About 59% hematite ore deposits are found in the Eastern Sector and about 92% magnetite ore deposits occur in the Southern Sector, especially in Karnataka. Of these, hematite is considered to be superior because of its higher grade and occurs in massive,

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Ore Mineral - an overview ScienceDirect Topics

Tuokko, in Mineral Deposits of Finland, 2015. Chalcopyrite. This is a common accessory ore mineral throughout the deposit. The grain size varies from 0.02 to 0.1 mm. It occurs in Ag-rich parts of the ore intergrown with Ag minerals and in the calc-silicate layers together with pyrrhotite, sphalerite, and galena.

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Textures of Ore Deposits and associated features

2004-1-22  4- Identifying the equilibrium mineral assemblages, which in turn are necessary for understanding phase relations and the correct interpretation of geothermometric results. Textures of economic ore deposits. I- Magmatic ores: 1- Cumulus textures: result from the settling of an ore deposit from a crystallizing magma.

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GY 111 Lecture Note Series Economic Geology

2010-8-19  Any mineral that has economic potential (i.e., it makes someone money), is defined as an economic mineral. All of the minerals listed in table 1.5 are economic ... Lead-Zinc Ore deposits (MVT ores). The mechanism of formation is remarkably similar to that of the other hydrothermal deposits. Groundwater seeps downward through

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Classification of Mineral Deposits - Earth Sci

2017-6-26  A syngenetic mineral deposit is a deposit which formed at the same time as the rocks that enclose it. Magmatic deposits are syngenetic in that the ore minerals crystallize from the same liquid that produces the silicate minerals

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Mineral Ore Deposits: Meaning, Origin and Types Geology

2022-1-6  Mineral deposits may occur independently forming layers and bodies of different shapes extending for many kilometers in areal extent and upto many meters in depth. Sedimentary deposits of iron oxides and hydrous aluminum oxide are of this type. In other cases, the ore deposits (or more precisely ore minerals) may be present in an enclosing rock ...

More

Vein Mineral Deposits - Mineral Processing Metallurgy

2016-10-4  Vein Mineral Deposits includes a considerable variety of ore deposits formed under various conditions by the concentration of the ore from the molten rock in process of cooling, and its subsequent deposition in fissures and joints,

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Stages of Mining PDF Ore Prospecting

2019-4-21  Stages in the. Life of a Mine Prospecting • First stage in the utilization of a mineral deposit • Search for ores and valuable minerals • Have the potential of being an ore body Due diligence • Due diligence is an investigation or audit of a potential investment or product to confirm all facts, such as reviewing all technical and financial records, plus anything else deemed

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SKARN DEPOSITS - Earth Sci

2017-6-26  The distal massive sulfide ore body (Renison Bell) is a major ore deposit and the proximal skarn body (Pine Hill) has not and probably never will be mined. Einaudi et al. (1981) emphasized that there is a common thread linking

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Ore, gangue, ore minerals, gangue minerals

2021-12-29  Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit. Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals. The grade of ore refers to the concentration of the desired material it contains.

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