ore deposits and ore minerals ppt

Ore deposits.ppt | Minerals | Gold

Ore minerals Minerals with economic value are ore minerals Minerals often associated with ore minerals but which do not have economic value are gangue minerals Key to economic deposits are geochemical traps metals are transported and precipitated in a very concentrated fashion Gold is almost 1,000,000 times less abundant than is iron Economic ...

Magmatic Ore Deposits in Layered Intrusions—Descriptive ...

ore deposits containing most of the world's economic concentrations of platinum-group elements (PGE) (figs. 1 and 2). These deposits are mined primarily for their platinum, palladium, and rhodium contents (table 1). Magmatic ore deposits are derived from accumulations of crystals of metallic oxides, or

ore deposits and ore minerals ppt - alphagrappling.co.za

ore deposits and ore minerals ppt ore deposits and ore minerals ppt - bhiwadiproperty.co.in Mineral Ore Deposits, Mineral Ore Deposits Products, Mineral Ore- ore deposits and ore minerals ppt,Hot mineral ore deposits Directory: Recommended mineral ore [Get More] price.

Sedimentary ore deposit environments - SlideShare

Nov 17, 2012· An Introduction to Sedimentary Ore Deposits is to geologists. This course provides a non-technical introduction to the basic concepts of: Introduction Surficial Earth processes Sedimentary Ore Deposit Environments Sedimentary Mineral Deposits 1) Deposits formed by sedimentation Ironstone, Calcium carbonate, Chert, Sulfur, Uranium, Copper ...

ore deposits and ore minerals ppt - kostertuininterieur.nl

A "mineral deposit" is a mineral occurrence of sufficient size and grade that it might, under the most favorable of circumstances, be considered to have economic potential. 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. read more

Ore genesis - folk.uio.no

Ore deposits are usually classified by ore formation processes and geological setting. For example, SEDEX deposits, literally meaning "sedimentary exhalative" are a class of ore deposit formed on the sea floor (sedimentary) by exhalation of brines into seawater (exhalative), causing chemical precipitation of ore minerals when the brine cools ...

Ore Mineral - an overview | ScienceDirect Topics

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. Some of the chalcopyrite grains in the Ag-rich part of the ore tarnish green, blue, or gray ...

Introduction to Mineral Deposit Models - USGS

A "mineral deposit" is a mineral occurrence of sufficient size and grade that it might, under the most favorable of circumstances, be considered to have economic potential. 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.

Fluid inclusions in hydrothermal ore deposits

probably one of the reasons for studying the fluid inclusions in the first place! Perhaps the best evidence for a temporal genetic relationship between ore and gangue minerals is the occurrence of fine-grained ore mineral inclusions within the gangue mineral itself Fig. 1, or where . fluid inclusions contain daughter ore minerals

Magmatic Ore Deposits - Bu

Magmatic Ore Deposits: A number of processes that occur during cooling and crystallization of magmatic bodies can lead to the separation and concentration of minerals. 1-Pegmatites 2-Layered intrusions 3-Kimberlites Examples of Magmatic ore deposits: 1-Chromite deposits 2-Nickel ŒCopper deposits 3-Platinum group metal (PGM) deposits

GY 111 Lecture Note Series Economic Geology

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

Iron ore PPT | Iron Ore | Iron - Scribd

Major Iron Deposits. Iron ore can be found all over the world but in Australia the main deposits of this mineral can be found in the Western Australian Pilbara region. This area is so rich with the iron ore that you can see the iron in the rocks as you walk past.

Introduction to Ore Deposits - Weebly

Introduction to Ore Deposits • Assessment criteria: –IMPORTANT: There is a subminimum of 40% in the exam. Students who gain less than 40% in the exam will be considered to have failed the course, IRRESPECTIVE of the semester/module mark.

Volcanogenic massive sulfide ore deposit - Wikipedia

The ore materials are trapped within a fumarole field or a black smoker field when they are expelled into the ocean, cool, and precipitate sulfide minerals as stratiform sulfide ore. Some deposits show evidence of formation via deposition of sulfide via replacement of altered volcanosedimentary rocks and may also form by invasion of sulfur-rich ...

Topic 1-Concepts of an ore deposit - SlideShare

Feb 01, 2016· Ore deposits may be considered as: Ore deposit is an occurrence of minerals or metals in sufficiently high concentration to be profitable to mine and process using current technology and under current economic conditions. Commercial mineral deposits (i.e., Ore: suitable for mining in the present times) or non-commercial ore deposits (i.e ...

PPT – Ore deposit environments PowerPoint presentation ...

Minerals and Rock Resources Chapter 12 Ore Deposits Ore - Minerals and Rock Resources Chapter 12 Ore Deposits Ore rock in which a valuable or useful metal occurs at a high concentration where it is economically viable to ... | PowerPoint PPT presentation | free to view

Sedimentary Materials - University of Vermont

Arial Wingdings Times New Roman Default Design Ores Slide 2 Ore Deposits Gold Au Ore minerals Economic Geology Slide 7 Slide 8 Slide 9 Slide 10 Black smoker metal precipitation Ore deposit environments Ore deposit environments Geochemical Traps Hydrothermal Ore Deposits Massive sulfide deposits Vermont Copperbelt ...

ORE MATERIALS: PRIMARY AND SECONDARY …

Environmental Geochemistry of Ore Deposits and Mining Activities. ORE MATERIALS: PRIMARY AND SECONDARY MINERALOGY OF ORE DEPOSITS Introduction Our society and civilization is built upon resources of all kinds, also earth ... a place is called a mineral deposit or an ore deposit. An ore deposit …

PPT – Formation of Mineral Deposits PowerPoint ...

With an ore body 4km long and 80m wide and lying at a depth of 2km, Kiruna is ... Magmatic mineral deposits concentrated in igneous rocks; ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 1dd03e-ZDc1Z

Portrait of a Planet Fifth Edition - University of Notre Dame

Metallic Deposits Ore: deposit that can be mined economically. Depends upon, political, economic, social factors. The concentration determines the grade of the deposit. Ore is mined that contains native metals or a concentrated accumulation of ore minerals. Uneconomic minerals found with native metals/ore minerals is called Gangue. Malachite ...

ore deposits and ore minerals ppt - nidociribiricoccola.it

ore deposits and ore minerals ppt . PPT - 4 mineral (ore) deposits PowerPoint Presentation, 4 mineral (ore) deposits 1 Definitions Ore : A type of rock that contains minerals with important . Get More Info; Morphology of ore deposits and their relations with, ... ore deposits and ore minerals ppt…

Stratiform Chromite Deposit Model - USGS

This model of stratiform chromite deposits is part of an effort by the U.S. Geological Survey's Mineral Resources Program to update existing models and develop new descriptive mineral deposit models to supplement previously published models for use in mineral-resource and mineral …

Geology of Porphyry Copper Deposits

These are somewhat the giants of the ore deposits world. As a mining interested learner, the geology of porphyry copper deposits is vital to your education. Now in the first Exploration Geology Course I discussed how because our current mining technology all the metals that we use are mined from the top 4 km of the earth's crust. I also ...

Economic geology - Magmatic ore deposits_1

Jan 10, 2017· Economic geology - Magmatic ore deposits_1 ... PowerPoint Courses; by LinkedIn Learning; Successfully reported this slideshow. ... and crystallize into a layer with significant concentration of Fe-Ti oxide minerals. 30. Magmatic Ores 31. 1. Orthomagmatic ore formation 2. Ore deposits at mid-ocean ridges and in ophiolites 3.

7.0 Deposits associated with sedimentary processes or rocks

7.0 Deposits associated with sedimentary processes or rocks Deposits associated with sedimentary processes or rocks include a number of metallic and industrial mineral deposit types and commodities. The most important metallic deposit type in Afghanistan is sediment-hosted copper represented by the Aynak and associated deposits (section 7.1).

PPT – Ore Minerals PowerPoint presentation | free to ...

PPT – Ore Minerals PowerPoint presentation | free to download - id: 139a7-Y2RmY. The Adobe Flash plugin is needed to view this content. ... Minerals and Rock Resources Chapter 12 Ore Deposits Ore - Minerals and Rock Resources Chapter 12 Ore Deposits Ore rock in which a valuable or useful metal occurs at a high concentration where it is ...

PPT – Hydrothermal mineral deposits PowerPoint ...

PPT – Hydrothermal mineral deposits PowerPoint presentation | free to view - id: 4871fe-YmI0M. The Adobe Flash plugin is needed to view this content. Get the plugin now. ... Formation of Mineral Deposits - With an ore body 4km long and 80m wide and lying at a depth of 2km, Kiruna is ...

Structural Control Ore Deposits ~ Mining Geology

May 07, 2015· Structural Control Ore Deposits Structure, tectonics and surface weathering play a vital role over geological time as a passage for hydrothermal flow of mineralized fluids, accumulate and concentrate at suitable location, remobilize and reorientate as postgenetic activity.

Ore deposits (contact metamorphism) - SlideShare

Aug 30, 2017· Ore deposits (contact metamorphism) 1. Contact Metasomatism • Contact metasomatism is a process of formation of new mineral by reaction between the contact rock and the escaping high temperature gaseous emanation with other important materials from the magma chamber.

Classification of ore deposits - SlideShare

Oct 22, 2017· PowerPoint Courses; by LinkedIn Learning; ... Classification of ore deposits 1. ... •Classifications of mineral deposits should propose generalizations about the origin and should be applicable in field descriptions of deposits • Since Middle Ages (that is since the time of Agricola), several classifications of mineral deposits have been ...

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