kinds of metallic ore deposits


3. Sedimentary-Exhalative (SEDEX) Type Deposits "Syngenetic" stratiform, bedded Zn-Pb deposits hosted by fine-grained clastic sedimentary rocks. These three types may be considered as a spectrum of base-metal ore deposits which form in sedimentary rocks at some time during the evolution of a sedimentary basin. SEDIMENT-HOSTED DEPOSITS

Mineral deposit - Iron deposits | Britannica

Mineral deposit - Mineral deposit - Iron deposits: By far the most important metal from an economic and technical point of view is iron. Sedimentary iron deposits, from which almost all iron is obtained, can therefore be viewed as one of the world's great mineral treasures. There are two major types of deposit. The first, and by far the most important, is banded iron formations (BIFs), so ...

Gold Deposit Classification: List of 10 Types of Gold Deposits

Gold/Auriferous Deposits can be classified into types for which here is a 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.

Chapter 16 test review Flashcards | Quizlet

Metallic minerals are able to concentrate when magma ____ underground because they _____ in the magma. The ______method is used when large coal and ore deposits are found _____the surface. Acid mine drainage does what?

Mineral Deposit Types, Mineralogy, Alteration, Host Rock ...

Mineral Deposit Types. Mineral deposits are metallic or hard rocks, deposits (metals such as Au, Ag, Cu Pb, Zn, Ni or Co, the dominant commodity, energy mineral deposits (including coal and uranium deposits) and industry mineral deposits (including mineral products of …

Copper Ore Types: Sulfides vs. Oxides | An Investor's ...

Types of copper ore: Oxides. As mentioned, copper oxide ores are not as attractive an exploration target as copper sulfide ores due to their lower grade. However, in some cases low-grade copper ...

How Ore Deposits Are Formed? - Geology In

Finding new ore deposits in the Earth's crust depends on our understanding how nature forms such gigantic metal accumulations that can be exploited at reasonable economic and environmental expense. Until now, geologists have primarily studied these deposits using field observations and geochemical analyses, but were unable to fully understand ...

Here are the Types of Underground Mining ... - Science Struck

Similar to sub-level stopping, this technique is carried out in vertical ore deposits. However, in this case, the blasted ore is allowed to deposit at the bottom of the stope, and this forms a working surface for excavation at higher levels, and also supports the stope walls.

Describe three ways that ore deposits form - Answers

Describe three ways that ore deposits form? Unanswered Questions. How does housekeeping contribute to earning profits in hotels. What is the Malayalam name of …

(PDF) Introduction to Sedimentary Ore Deposits

Mineral Deposits Ore Deposit Environments Formation of Mineral Deposits Introduction The Hydrologic Cycle The Rock Cycle Types of Sedimentary Rocks Sediments Source of Materials Sedimentary ...

Classification of ore deposits - LinkedIn SlideShare

Oct 22, 2017· Classification of ore deposits 1. CONTENTS Introduction Niggli's classification of ore deposits Schneiderhohn's classification of ore deposits Lindgren's classification of ore deposits Lindgren's classification of ore deposits modified 1985 Bateman classification of ore deposits Stanton classification of ore deposits Guilbert and park classification of ore deposits Conclusion …

Geology of Base-Metal Deposits

deposit types is an important component in modern mineral exploration. 2. Deposit Types and their Modes of Origin The section below describes the main geological features of eight base-metal deposit types, listed here by the names and acronyms by which they are commonly referred to …

Metallic Deposits - CliffsNotes

Metals occur in all kinds of rocks but usually in concentrations that are too low to be mined. Metallic ore deposits, however, are relatively rare concentrations of metal‐bearing minerals (usually sulfides) that contain enough metal to be profitably mined.Again, the profit line …

ore | National Geographic Society

Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.. Copper ore is mined for a variety of industrial uses. Copper, an excellent conductor of electricity, is used as electrical wire.Copper is also used in construction.

Geological ore deposits - The Australian Museum

Geological ore deposits are of many different types and occur in all geological environments. The main types of geological ore deposits of importance can be divided into: metallic deposits; non-metallic deposits; fossil fuel deposits; Finding ore deposits. Geologists are always searching for more ore deposits to meet constant demand.

Ore - Wikipedia

Ore is natural rock or sediment that contains one or more valuable minerals, typically 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.

Chapter 15 Flashcards | Quizlet

Weathering processes are primarily responsible for the concentration of what types of ore? ... The _____ of a metal is a measure of its concentration necessary for profitable mining. ... Hydrothermal _____ ore deposits are a result of weathering processes. Residual. Sulfide deposits of copper and iron from through seawater circulation at ...

Geology of Gold Mineralization & How Gold Deposits are Formed

Mineral Deposit Types. Mineral deposits are metallic or hard rocks, deposits (metals such as Au, Ag, Cu Pb, Zn, Ni or Co, the dominant commodity, energy mineral deposits (including coal and uranium deposits) and industry mineral deposits (including mineral products of …

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).

Classification of Mineral Deposits - Earth Science

Some mineral deposits, particularly those containing Ni, Cr and Pt, form by the separation of the metal sulphide or oxides in the molten form, within an igneous melt before it crystallizes. These are known as magmatic deposits.

Photos of Natural Silver Ore, Silver minerals, Crystal ...

To a lesser extent, base metal sulfides including Galena, sphalerite, pyrite, chalcopyrite, and chalcocite may all be and frequently are argentiferous, but in most silver ore deposits, the silver is most concentrated in the minerals of the group first named. Of the base metal ore minerals, the most common primary ones are argentiferous galena ...

Ore - Wikipedia

In this article we will discuss about:- 1. Introduction to Ore Deposits 2. Origin of Ore Deposits 3. Types. Introduction to Ore Deposits: Minerals form chief source of all the industrial metals and non-metals. The commonly used metals like aluminum, copper, iron, lead, zinc etc. are all …

Ore deposit | geology | Britannica

In titanium processing: Ores. Titanium is the fourth most abundant structural metal on Earth, exceeded only by aluminum, iron, and magnesium. Workable mineral deposits are dispersed worldwide and include sites in Australia, the United States, Canada, South Africa, Sierra Leone, Ukraine

Polymetallic replacement deposit - Wikipedia

A polymetallic replacement deposit, also known as carbonate replacement deposit or high-temperature carbonate-hosted Ag-Pb-Zn deposit, is an orebody of metallic minerals formed by the replacement of sedimentary, usually carbonate rock, by metal-bearing solutions in the vicinity of igneous intrusions. When the ore forms a blanketlike body along the bedding plane of the rock, it is commonly ...

What is Ore? - Definition, Types, Uses & Examples - Video ...

Ores are types of rock deposits that contain enough metal to be economically viable for mining. There are many ways to extract ore from deposits. Metals found in ores include gold and iron.

Ore Deposit - an overview | ScienceDirect Topics

Ore deposits are rarely comprised of ore-bearing minerals, but are usually associated with rock-forming minerals during the mineralization process. These associated minerals or rocks, having no significant or low commercial value, are called gangue minerals. Pure chalcopyrite having 34.5% Cu metal in copper deposit and sphalerite with 67% Zn metal in zinc deposit are hosted by quartzite ...

Chromite: The only mineral ore of chromium metal

Chromite is important because it is the only economic ore of chromium, an essential element for a wide variety of metal, chemical, and manufactured products. Many other minerals contain chromium, but none of them are found in deposits that can be economically mined to produce chromium.

Types of Ore Deposits - Mineral Processing & Metallurgy

A List to some Major Types of Ore Deposits and a link Book Download. Komatiite-associated nickel deposits Layered mafic-ultramafic intrusion deposits Skarn deposits Fractionated granitoid-associated deposits Porphyry-associated deposits Iron oxide copper gold deposits Syn-deformational hydrothermal and replacement deposits Orogenic gold deposits Carbonate-hosted stratabound lead-zinc deposits ...

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