Ores Of Pper Slideshare

Formation of Ores

An ore is a geochemical anomaly. 7. Some unusual process must 1) remove specific. elements, compounds or minerals from ordinary. rock,2) transport these elements, …

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9. BESSEMERIZATION • Matte contains Cu2S and some unreacted FeO along with silica as impurity. • It is converted into copper in a special furnace which is known as "Bessemer converter". • When air is blown through the matte, the following reactions take place: 2Cu2S + 3O2 2Cu2O + 2SO2 2Cu2O + Cu2S 6Cu + SO2 2FeS + 3O2 2FeO …

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Mining | PPT

3. MINING WASTE AND MATERIAL In mining upper surface called waste material are removed.waste material are composed of acid generating substance and it is big task to replace it a proper place where it should be treated to detoxified.most of money spend in removing the waste material so highly qualified needed to operate this job.or …

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Uranium enrichment and extraction from ores | PPT

6. Uranium isotopes • the most important isotopes of uranium 235U, 234U, 233U, 238U Mostly Uranium-238 by 98% And uranium-235 by 0.7% • (Atomic isotope 235) is available for fission, which gives this isotope fission huge amounts of energy, It does not automatically splits, but when exposed to a stream of neutrons turns into plutonium 239, …

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Ores and minerals | PPT

First, these ores undergo several processes toFirst, these ores undergo several processes to remove the impurities.remove the impurities. Then, the concentrated ores are reduced byThen, the concentrated ores are reduced by carbon in the form of coke in a very large andcarbon in the form of coke in a very large and hot furnace called blast …

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Oklahoma Rural Elementary Schools, Inc

2024-2025 ORES Photos Click HERE. ORES 2024 Football Brackets Coming Soon. Click HERE . ORES 2024 Cross Country. D2. Champions- Middleberg Boys MiddlebergRunners Up- Cleora Boys Denison D1. Champions- Oakdale Boys OakdaleRunners Up- Maryetta Boys Grove 2024 State Cross Country Results

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INTRODUCTION TO Ore Deposits & MINERALS …

4) Mining: extracting the ore from the ground-open pit or underground, disposal and/or storage of waste rock; the ore goes to the mill 5) Ore Processing: this involves milling …

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How to write a Research Paper | PPT

13. Visit the library. Visit your local library or university library. Don't be afraid to ask for the librarian help either - they are experienced in research and know where everything related to your topic is located. Look Online Using a search engine and choosing the top three results isn't important, the best method of researching; use critical thinking …

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Mohun ujoodha metals and their ores form 3 | PPT

The main ores of copper are: •Chalcopyrite •Bornite •Malachite Over 50% of the World's copper comes from chalcopyrite and bornite. 8. BRAIN TEASER Circle the ore of Aluminium(Bauxite) in red, Zinc(Sphalerite) in black, Iron(Haematite) in blue, Gold nuggets in yellow

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Minerals | PPT

Minerals are inorganic elements needed by the body for functions like building tissues, regulating fluids, and assisting in bodily processes. Major minerals like calcium, phosphorus, and potassium are required in amounts greater than 100mg daily, while trace minerals such as iron, iodine, and zinc are needed in lesser amounts.

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Chromite ore | PPT

chromite beneficiation in india past scenario mining of high grade ore leaving low and medium grade ores stacked as waste use of manual methods for dressing 23. Generally Chrome ore deposits are classified as Siliceous type (silica rich) Ferruginous type (iron rich) Associated gangue minerals are Talc Quartz Hematite Goethite Limonite ...

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Biomineralization | PPT

Biomineralization - Download as a PDF or view online for free. 7. • Magnetotactic bacteria (MTB) are a diverse group of microorganisms having the ability to orient and migrate along geomagnetic field lines. • It is based on specific intracellular organelles, the magnetosomes, which comprise nanometer-sized, membrane bound …

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Ore | Deepwoken Wiki | Fandom

Ores are materials found all around the map, usually in caves. It is used for crafting various armor and traded for chests. They can be harvested with a pickaxe by pressing E on them. They're also dropped from Mineskippers. Rocks can be thrown at people. This does no damage to the victim, this is more just for fun. However, it does put the victim in combat. …

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Gold | PPT

Gold is a transitional metal. In its purest form have reddish yellow color, soft, malleable, and ductile metal. Atomic number : 79 Atomic mass : 196.9 u Density : 19.32 g/cm3 Melting point : 1,064 °C Boiling point : 2,700 °C Founded in different form associated with different rock type in different tectonic setting.

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Sustainable development | PPT

9. The UN established the Commission on Sustainable Development (CSD) in December 1992 to ensure an effective follow-up of UNCED and to monitor and report on the implementation of the Earth Summit agreements at the local, national, regional, and international levels A (Rio+5) Special Session of the General Assembly, held ion June …

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Oregon State University science paper generated global …

CORVALLIS, Ore. — A paper published last December by an Oregon State University scientist became one of the mostly widely shared science papers since 2011, …

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(PPT) Ore Geology | Pinaki Sahoo

Book, Ore Mineralogy & Microscopy, by John L. Lufkin, Ph.D. John Lufkin. I don't have an abstract for this book, which is under revision for publication later this year. I have used …

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Gastric and duodenal ulcer | PPT

10. EtiologyEtiology A peptic ulcer is a mucosal break, 3 mm or greater, that canA peptic ulcer is a mucosal break, 3 mm or greater, that can involve the stomach or duodenum.involve the stomach or …

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How to write a review paper | PPT

4. Review Paper – Format & Submission Write conclusion part with all your sub section findings Start your abstract part Get opinion from mentor Finalize a Journal to upload your paper Change the reference format according to the corresponding journal style using endnote Check for grammar correction as well as plagiarism using online tools …

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AN INTRODUCTION TO GEOLOGY AND HARD ROCK …

This paper is an introduction to selected topics in geology and hard rock mining. It is an overview and is intended to help the legal professional to learn basic information …

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Research Paper presentation | PPT

10. Result of chi-square test on association between statements on mobile messaging and CRM statements Chi-square value P-value Customers are valuable 21.980 0.000* Enhances customer experience 71.120 0.000* Helps brand promotion 44.240 0.000* Retain existing customers 52.400 0.000* Develops customer intimacy 157.300 0.000* …

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Mineral Resources | PPT

21. Surface mining can make use of any of the following three types: (a) Open-pit mining in which machines dig holes and remove the ores (e.g. copper, iron, gravel, limestone, sandstone, ma rble, granite). (b) Dredging in which chained buckets and draglines are used which scrap up the minerals from under-water mineral deposits.

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Biomining | PPT

Biomining - Download as a PDF or view online for free. 8. Bio mining is cheaper although it is slower it is also cleaner. Bio mining will become important in future as high grade ores are becoming exhaustible so bio mining will become the source of metal extraction from low grade ores. Metals can be extracted from polluted water also by bio …

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Chromium ppt | PPT

Chromium is a silvery transition metal that occurs naturally in ores like chromite. It has several important industrial uses including in stainless steel production and metal plating. Chromium exists in two main oxidation states, Cr3+ and Cr6+, with Cr6+ being more toxic and carcinogenic.

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power point presentation | PPT

4. Presentation: A presentation is a collection of data and information that is to be delivered to a specific audience. (means of communication which can be adapted to various speaking situation, …

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Ores_ presentations

1 SlideShare Following Follow. Unblock User Block User; 1 SlideShare Personal Information. Organization / Workplace. ... Industry. Energy / Oil Website. Contact Details. Tags. ores monitoring grids photovoltaic system solar panel energy energy development sustainable energy smart meter distribution 2012 funds natural gas utilities ...

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Perthes ' disease | PPT

4. Perthe's DiseasePerthe's Disease is a condition which isis a condition which is pathologically characterized by idiopathicpathologically characterized by idiopathic avascular necrosis of the epiphysis of theavascular necrosis of the epiphysis of the femoral head in a child.femoral head in a child. The avascular epiphysis is almost always …

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Economic geology

3. Autochthonous raw material deposits were formed at the site of the deposit. This group includes chemical precipitates and partially biogenic substances such as: i)carbonates (limestone, dolomite, magnesite); ii)evaporites (rock salt, potassium salt, gypsum), iii)some massive and oolitic ironstones, iv)banded iron formations, v)marine …

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An overview of mining methods | PPT

3. 3 Minerals are the major sources of energy as well as raw materials for industries. earth's natural materials are used as fertilizers and for the production of metals like steel. These were used to make early tools and weapons. This report provides the details of the widely adopted methods of mining, both surface and underground and to …

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Retinopathy of prematurity | PPT

6. HISTORICAL PERSPECTIVE • Retinopathy of prematurity, first identiﬁed as retrolental fibro plasia by Terry in 1942 • The term ROP was coined by Heath in 1951 • Campbell established role of oxygen in ROP • Two epidemics of ROP have been described in industrialized countries, the 'first epidemic' (of blindness) occurred in the 1940s and …

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Beneficiation ore | PDF

Currently, some ores are high enough in iron content (greater than 50 percent) to be sent directly to furnaces without beneficiation activities other than crushing and washing. Most ores extracted today, however, must undergo a number of beneficiation procedures to upgrade the iron content and prepare the concentrate for the blast furnace.

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nickel Ore | PPT

3. WHAT IS NICKEL- Nickel is a strong, lustrous, silvery-white metal. Nickel is a chemical element with symbol Ni and Atomic number 28, atomic mass 58 amu (one nickel atom contains 28 protons, 28 electrons, and 30–36 neutrons depending on the isotope). Isotopes: Five stable isotopes: Nickel-58, nickel-60, nickel-62, nickel-61, nickel …

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Ore texture and paragenesis krishanu | PPT

6. Magmatic ores: 1.Cumulus textures result from the settling of an ore deposit from a crystallizing magma. The most common example is chromite which occurs as a cumulus phase relative to pyroxenes. 2.Intergranular or intercumulus textures develops when the ore mineral occurs as an intergranular anhedral phase relative to the other …

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